In Delaware, cars are inspected each year using state-operated inspection centers. The Wilmington center has three drive-through lanes where cars are inspected in a sequence of steps.
The following data show the number of minutes that a random sample of drivers spent waiting and having their cars inspected in the three lanes each day of the week.Day Lane 1 Lane 2 Lane 3Monday 36 35 37Tuesday 19 30 20Wednesday 26 32 23Thursday 38 49 30Friday 41 41 35The state of Delaware would like to perform a randomized block ANOVA to test for a difference in the average times the drivers spend in the three lanes using the weekday as a blocking factor with = 0.05. The blocking factor test statistic for this hypothesis test would be ________.A) 5.08
B) 6.98
C) 8.17
D) 9.08
Q. 2________ data has the benefit of a true zero point.
A) Nominal
B) Ordinal
C) Interval
D) Ratio
Q. 3Sony would like to test the hypothesis that the standard deviation for the age of PlayStation users is higher than the standard deviation for the age of Xbox users. The following table summarizes sample statistics from each population.
PlayStation XboxSample standard deviation 4.3 years 3.9 yearsSample size 25 28The test statistic for this hypothesis test would be ________.A) 1.03
B) 1.10
C) 1.22
D) 3.65
Q. 4Recent survey data indicated that 14.2 of adults between the ages of 25 and 34 live with their parents. A random sample of 125 young adults in this age group was selected.
What is the probability that between 13 and 17 of these young adults lived with their parents?A) 0.1808
B) 0.2620
C) 0.3505
D) 0.3135
Q. 5According to these regression results, the average selling price for a 7-year old car is ________.
A) 8,138
B) 9,663
C) 10,150
D) 11,435
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