(1) Prepare a crosstabulation of the data on Cylinders (rows) and City MPG (columns). Use classes of 5-9, 10-14, 15-19, …, 35-39 for City MPG. [Hint: While grouping, use “starting at 5”, “ending at...


(1) Prepare a crosstabulation of the data on Cylinders (rows) and City MPG (columns). Use


classes of 5-9, 10-14, 15-19, …, 35-39 for City MPG. [Hint: While grouping, use “starting at


5”, “ending at 39”, and “by 5”.]


(2) Develop a scatter diagram of the data on Cylinders and City MPG. Use the vertical axis for


City MPG.


(3)Insert a linear trendline into your scatter diagram.


(4) Compute the sample covariance for Cylinders and City MPG. [HINT: Use =COVARIANCE.S


function in Excel; see pp. 140-141 in the textbook.]


(5) Compute the sample correlation coefficient.


(6) Comment on the relationship between Cylinders and City MPG you observe in the tabular


summary of the data in (1), in the graphical summary in (2) and (3), and by using the


numerical measures of association in (4) and (5). Carefully interpret the covariance and


correlation coefficient.



Use EXCEL to construct tables and graphs. Remember that each table (graph) should have a



succinct but informative title, and the table columns (graph axes) should be appropriately



labeled.



Your analysis/comments should be brief (up to 10 sentences).


The assignment will be evaluated based upon the following criteria:


- correct numerical results;


- visual and esthetical impression of your tables and graphs;


- reasonable conclusions derived from the examination of the available evidence.





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































CarSizeDisplacementCylindersDriveFuel TypeCity MPGHwy MPG
1Compact3.164P1525
2Compact3.164P1725
3Compact364P1725
4Compact364P1625
5Compact364P1725
6Compact364P1725
7Compact2.44FP2025
8Compact3.56RP2225
9Compact364P1725
10Compact2.44FP1824
11Compact2.86FP1524
12Compact2.544P1724
13Compact364P1724
14Compact2.544P1824
15Compact2.44FR1924
16Compact5.38FP1624
17Compact68RP1524
18Compact3.56RR1724
19Compact3.56RR1724
20Compact3.56RR1724
21Compact3.56RR1724
22Compact3.564R1724
23Compact3.86FR1724
24Compact3.564R1724
25Compact3.564P1624
26Compact5.38FP1624
27Compact4.68RP1524
28Compact3.56RP1724
29Compact4.28RP1624
30Compact4.68RP1724
31Compact4.68RP1624
32Compact4.68RP1624
33Compact3.56RP1724
34Compact3.664P1624
35Compact3.264P1624
36Compact3.26FP1624
37Compact3.564R1524
38Compact2.444R2124
39Compact3.564R1524
40Compact3.564R1724
41Compact3.264P1823
42Compact4.284P1623
43Compact4.88RP1523
44Compact4.88RP1523
45Compact3.56RP1623
46Compact4.68FR1523
47Compact4.68FR1523
48Compact5.78RR1523
49Compact5.78RR1523
50Compact4.68RR1523
51Compact4.68RR1523
52Compact4.284P1623
53Compact4.284P1623
54Compact4.88RP1523
55Compact3.564P1723
56Compact364P1523
57Compact4.484P1523
58Compact364P1622
59Compact3.96FR1522
60Compact3.564P1622
61Compact4.28RP1522
62Compact4.28RP1522
63Compact4.68FR1522
64Compact4.68FR1522
65Compact3.564R1522
66Compact5.784R1522
67Compact5.784R1522
68Compact3.564R1522
69Compact4.88RP1522
70Compact364P1622
71Compact4.28RP1522
72Compact584P2022
73Compact3.564P1622
74Compact5.58RP1522
75Compact4.284P1421
76Compact5.58RP1421
77Compact5.58RP1421
78Compact4.58RP1621
79Compact5.58RP1421
80Compact4.684P1421
81Compact4.284P1320
82Compact4.284P1320
83Compact612RP1320
84Compact4.584P1420
85Compact5.584P1420
86Compact6124P1319
87Compact5.2104P1319
88Compact5.2104P1419
89Compact4.48RP1319
90Compact5.584P1319
91Compact6.28RP1219
92Compact6.28RP1118
93Compact6.28RP1218
94Compact6.18RP1318
95Compact6.18RP1318
96Compact4.68FR1318
97Compact4.68FR1318
98Compact6.18RP1318
99Compact5.512RP1117
100Compact5.512RP1117
101Compact6.28RP1117
102Compact612RP1117
103Compact5.512RP1117
104Compact510RP1117
105Compact510RP1117
106Compact5.512RP1016
107Compact612RP1016
108Compact5.512RP1016
109Compact612RP1016
110Compact5.712RP916
111Compact5.712RP1015
112Midsize1.84FR2837
113Midsize24FR2435
114Midsize1.64FR2535
115Midsize1.84FR2635
116Midsize1.64FR2434
117Midsize2.44FR3334
118Midsize24FR2433
119Midsize1.64FR2433
120Midsize24FR2533
121Midsize24FR2433
122Midsize1.84FR2733
123Midsize2.54FR3533
124Midsize24FR2533
125Midsize1.64FR2332
126Midsize1.64FR2732
127Midsize1.64FR2732
128Midsize24FR2432
129Midsize2.44FR2432
130Midsize24FR2432
131Midsize1.84FR2432
132Midsize2.54FR2332
133Midsize2.44FR2432
134Midsize24FP2031
135Midsize2.44FR2231
136Midsize24FR2331
137Midsize24FR2331
138Midsize2.44FR2231
139Midsize2.44FR2131
140Midsize2.44FR2131
141Midsize2.44FR2231
142Midsize2.44FR2131
143Midsize2.24FR2131
144Midsize2.44FR2131
145Midsize2.44FR2131
146Midsize2.54FR2331
147Midsize1.84FR2631
148Midsize24FR2431
149Midsize2.44FR2131
150Midsize2.44FR2131
151Midsize24FP2130
152Midsize2.44FR2130
153Midsize2.44FR2230
154Midsize24FR2230
155Midsize2.44FR2130
156Midsize2.44FR2230
157Midsize2.44FR2130
158Midsize2.44FR2130
159Midsize24FR2330
160Midsize2.54FR2430
161Midsize2.44FR2230
162Midsize24FP1929
163Midsize24FP2129
164Midsize24FP2129
165Midsize24FP2229
166Midsize24FP2229
167Midsize2.34FR2229
168Midsize2.34FR2229
169Midsize24FR2229
170Midsize24FR2129
171Midsize3.56FR1829
172Midsize2.55FR2129
173Midsize2.55FR2229
174Midsize2.55FR2129
175Midsize2.55FR2129
176Midsize3.56FR1829
177Midsize3.56FR1829
178Midsize3.56FR1929
179Midsize2.54FP2129
180Midsize24FP2129
181Midsize3.56FR1829
182Midsize1.84FR2429
183Midsize2.44FR2329
184Midsize2.34FR2029
185Midsize2.34FR2029
186Midsize2.34FR2129
187Midsize3.56FR1829
188Midsize2.44FP1928
189Midsize2.44FP2028
190Midsize244P2028
191Midsize36RP1828
192Midsize36RP1928
193Midsize2.55FP1928
194Midsize2.55FP1928
195Midsize2.45FP2028
196Midsize2.45FP2028
197Midsize2.45FP2028
198Midsize2.45FP2028
199Midsize3.56FR1928
200Midsize24FR2028
201Midsize24FR1928
202Midsize24FR1928
203Midsize24FR2028
204Midsize3.96FR1828
205Midsize3.56FR1828
206Midsize3.36FR1928
207Midsize3.56FR1828
208Midsize3.56FR1928
209Midsize36RP1828
210Midsize2.34FP1828
211Midsize24FP1928
212Midsize3.86FR1728
213Midsize3.56FR1828
214Midsize2.34FR2028
215Midsize2.76FR2028
216Midsize2.34FR2028
217Midsize3.56FR1828
218Midsize2.34FR2128
219Midsize3.86FR1828
220Midsize3.56FR1928
221Midsize244P1927
222Midsize3.16FP1827
223Midsize2.55FP1927
224Midsize2.55FP1927
225Midsize2.55FP1927
226Midsize2.55FP1927
227Midsize2.544R2027
228Midsize2.544R2027
229Midsize2.544R2027
230Midsize2.544R2027
231Midsize3.36FR1827
232Midsize3.56FP1827
233Midsize3.16FP1827
234Midsize36RP1827
235Midsize3.56FP1927
236Midsize3.56RP1927
237Midsize3.56FP1927
238Midsize2.76FR1927
239Midsize2.76FR1927
240Midsize2.76FR1927
241Midsize24FR2327
242Midsize2.76FR1927
243Midsize2.44FR2027
244Midsize36FR1826
245Midsize36FR1826
246Midsize3.66FR1726
247Large36RP1726
248Large36RP1726
249Large36RP1826
250Large24FP1926
251Large2.86FP1626
252Large2.554P1826
253Large2.554P1826
254Large2.554P1726
255Large2.45FP1826
256Large2.45FP1826
257Large2.44FR2126
258Large3.56FR1726
259Large3.66FR1726
260Large3.36FR1826
261Large2.76RR1826
262Large2.76RR1826
263Large3.86FR1726
264Large3.36FR1826
265Large3.26FP1826
266Large3.56FP1726
267Large36RP1726
268Large36RP1726
269Large36RP1726
270Large2.34FP1826
271Large3.56FP1926
272Large2.34FP1726
273Large3.66FP1726
274Large3.664R1726
275Large3.664R1726
276Large3.66RR1826
277Large3.66RR1726
278Large3.66RR1726
279Large3.66FR1726
280Large3.56FR1626
281Large3.56FR1626
282Large36RP1825
283Large3.56RP1725
284Large2.544P2025
285Large2.544P1925
286Large2.544P1925
287Large2.554P1725
288Large3.56FR1725
289Large4.28RP1625
290Large4.28RP1625
291Large4.28RP1625
292Large3.86FR1625
293Large3.164P1725
294Large364P1725
295Large364P1725
296Large364P1625
297Large364P1725
298Large3.56RP1725
299Large3.564P1825
300Large3.86FP1725
301Large3.56FP1925
302Large5.38FP1625
303Large3.66FR1725
304Large3.664R1725
305Large3.66RR1625
306Large3.66RR1625
307Large2.44FR2125
308Large364R1725
309Large364R1725
310Large36FR1725
311Large36FR1825
May 13, 2022
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