Josh Please finalize. It is a multiple quiz with 8 questions. Document Preview: 1. Which of the following is an example of quantitative data? (Points : 5) the player’s number on a baseball uniform...

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Please finalize. It is a multiple quiz with 8 questions.


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1. Which of the following is an example of quantitative data? (Points : 5)       the player’s number on a baseball uniform        the serial number on a one-dollar bill        the part number of an inventory item        the number of people in a waiting line  2. When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement? (Points : 5)       nominal        ordinal        interval        ratio  3. Which of the following variables use the interval scale of measurement? (Points : 5)       name of stock exchange        time        SAT scores        Social Security number  4. Which of the following is not an example of descriptive statistics? (Points : 5)       a histogram depicting the age distribution for 30 randomly selected students        an estimate of the number of Alaska residents who have visited Canada        a table summarizing the data collected in a sample of new-car buyers        the proportion of mailed-out questionnaires that were returned  5. A frequency distribution is (Points : 5)       a tabular summary of a set of data showing the fraction of items in each of several nonoverlapping classes        a graphical form of representing data        a tabular summary of a set of data showing the number of items in each of several nonoverlapping classes        a graphical device for presenting categorical data  6. Which of the following graphical methods is most appropriate for categorical data? (Points : 5)       ogive        pie chart        histigram        scatter diagram  7. The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to (Points : 5)       exclude a stem labeled ‘8’        include a stem labeled ‘8’ and enter no leaves on the stem        include a stem labeled ‘(8)’ and enter no leaves on the stem        include a stem labeled ‘8’ and enter...



Answered Same DayDec 23, 2021

Answer To: Josh Please finalize. It is a multiple quiz with 8 questions. Document Preview: 1. Which of the...

David answered on Dec 23 2021
126 Votes
1. Using exponential smoothing, the demand forecast for time period 10 equals the demand forecast for time period 9 plus (Points : 5)
á times (the demand forecast for time period 8)
á times (the error in the demand forecast for time period 9)
á times (the observed demand in time period 9)
á times (the demand forecast for time period 9)
    2. Exhibit 17-2
Consider the following time series.
 
t
1
2
3
4
 
Yi
4
7
9
 
10
 
Refer to Exhibit 17-2. The forecast for period 10 is (Points : 5)
           10.0
       25.0
       30.0
       22.5
 
Y = 2.5 + 2X
At X = 10, Y = 2.5 +2(10) = 22.5
    3. Below you are given the first four values of a time series.
 
Time Period
Time Series Value
1
18
2
20
3
25
4
17
Using a 4-period moving average, the forecasted value for period 5 is (Points :...
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