Refer to the sample data for the given exercises in Section 13-2. Use the Wilcoxon signed-ranks test for the claim about the median of a population. Voltage Levels Refer to Data Set 13 in Appendix B for the home voltage levels. The power company (Central Hudson) supplying the power states that the target voltage is 120 V. Use a 0.01 significance level to test the claim that the median voltage is equal to 120 V. Data Set 13: Voltage Measurements From a HomeAll measurements are from the author’s home. The voltage measurements are from the electricity supplied directly to the home, an independent Generac generator (model PP 5000), and an uninterruptible power supply (APC model CS 350) connected to the home power supply. STATDISK: Minitab: Data set name is Voltage. Worksheet name is VOLTAGE.MTW. Excel: Workbook name is VOLTAGE.XLS. TI-83/84 Plus: App name is VOLTAGE and the file names are the same as for text files. Text file names: Text file names are VHOME, VGEN, VUPS. Data Set 13: Voltage Measurements From a Home Day Home (volts) Generator (volts) UPS (volts) 1 123.8 124.8 123.1 2 123.9 124.3 123.1 3 123.9 125.2 123.6 4 123.3 124.5 123.6 5 123.4 125.1 123.6 6 123.3 124.8 123.7 7 123.3 125.1 123.7 8 123.6 125.0 123.6 9 123.5 124.8 123.6 10 123.5 124.7 123.8 11 123.5 124.5 123.7 12 123.7 125.2 123.8 13 123.6 124.4 123.5 14 123.7 124.7 123.7 15 123.9 124.9 123.0 16 124.0 124.5 123.8 17 124.2 124.8 123.8 18 123.9 124.8 123.1 19 123.8 124.5 123.7 20 123.8 124.6 123.7 21 124.0 125.0 123.8 22 123.9 124.7 123.8 23 123.6 124.9 123.7 24 123.5 124.9 123.8 25 123.4 124.7 123.7 26 123.4 124.2 123.8 27 123.4 124.7 123.8 28 123.4 124.8 123.8 29 123.3 124.4 123.9 30 123.3 124.6 123.8 31 123.5 124.4 123.9 32 123.6 124.0 123.9 33 123.8 124.7 123.9 34 123.9 124.4 123.9 35 123.9 124.6 123.6 36 123.8 124.6 123.2 37 123.9 124.6 123.1 38 123.7 124.8 123.0 39 123.8 124.3 122.9 40 123.8 124.0 123.0

Refer to the sample data for the given exercises in Section 13-2. Use the Wilcoxon signed-ranks test for the claim about the median of a population. Voltage Levels Refer to Data Set 13 in Appendix B...

Refer to the sample data for the given exercises in Section 13-2. Use the Wilcoxon signed-ranks test for the claim about the median of a population.

Voltage Levels
Refer to Data Set 13 in Appendix B for the home voltage levels. The power company (Central Hudson) supplying the power states that the target voltage is 120 V. Use a 0.01 significance level to test the claim that the median voltage is equal to 120 V.

Data Set 13: Voltage Measurements From a Home

All measurements are from the author’s home. The voltage measurements are from the electricity supplied directly to the home, an independent Generac generator (model PP 5000), and an uninterruptible power supply (APC model CS 350) connected to the home power supply.

STATDISK: Minitab:	Data set name is Voltage. Worksheet name is VOLTAGE.MTW.
Excel:	Workbook name is VOLTAGE.XLS.
TI-83/84 Plus:	App name is VOLTAGE and the file names are the same as for text files.
Text file names:	Text file names are VHOME, VGEN, VUPS.

Data Set 13: Voltage Measurements From a Home

Day	Home (volts)	Generator (volts)	UPS (volts)
1	123.8	124.8	123.1
2	123.9	124.3	123.1
3	123.9	125.2	123.6
4	123.3	124.5	123.6
5	123.4	125.1	123.6
6	123.3	124.8	123.7
7	123.3	125.1	123.7
8	123.6	125.0	123.6
9	123.5	124.8	123.6
10	123.5	124.7	123.8
11	123.5	124.5	123.7
12	123.7	125.2	123.8
13	123.6	124.4	123.5
14	123.7	124.7	123.7
15	123.9	124.9	123.0
16	124.0	124.5	123.8
17	124.2	124.8	123.8
18	123.9	124.8	123.1
19	123.8	124.5	123.7
20	123.8	124.6	123.7
21	124.0	125.0	123.8
22	123.9	124.7	123.8
23	123.6	124.9	123.7
24	123.5	124.9	123.8
25	123.4	124.7	123.7
26	123.4	124.2	123.8
27	123.4	124.7	123.8
28	123.4	124.8	123.8
29	123.3	124.4	123.9
30	123.3	124.6	123.8
31	123.5	124.4	123.9
32	123.6	124.0	123.9
33	123.8	124.7	123.9
34	123.9	124.4	123.9
35	123.9	124.6	123.6
36	123.8	124.6	123.2
37	123.9	124.6	123.1
38	123.7	124.8	123.0
39	123.8	124.3	122.9
40	123.8	124.0	123.0

May 26, 2022

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Refer to the sample data for the given exercises in Section 13-2. Use the Wilcoxon signed-ranks test for the claim about the median of a population. Voltage Levels Refer to Data Set 13 in Appendix B...

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