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WorksheetsName That Procedure
Total questions: 25
Worksheet time: 6hrs 15mins
Given a SRS of 20 male Verbal SAT scores and an SRS of 20 female Verbal SAT scores, give an estimate for the difference between male and female Verbal SAT scores
One-Sample t-Interval on Matched Pairs
Two-Sample t-Interval
Two-Sample t-Test
One-Sample t-Test on Matched Pairs
Given random samples of 20 male Verbal SAT scores and 20 female Verbal SAT scores, is there evidence of a difference between male and female Verbal SAT scores?
Two-Sample t-Test
Two-Sample t-Interval
One-Sample t-Test
One-Proportion z-Test
Given an SRS of 25 males SAT scores (Math and Verbal), is there evidence that males score higher on the Math SAT than on the Verbal SAT?
Two-Sample t-Test
One-Sample t-Test on Matched Pairs
One-Sample t-Interval on Matched Pairs
Two-Proportion z-Test
Given an SRS of 30 math scores, what is an estimate of the true proportion of students in this population that score over 650 in math?
One-Proprtion z-Test
One-Proportion z-Interval
One-Sample t-Interval
One-Sample t-Interal on Matched Pairs
Given an SRS of 15 female verbal scores, is there evidence that the females at this school have verbal scores higher, on average, than the national average of 520?
One-Proportion z-Test
One-Proprotion z-Interval
One-Sample t-Test
One-Sample t-Interval
Given SRS’s of 20 male and 20 female verbal scores. It is thought that a higher proportion of females score above 650 in verbal than males. Is there evidence to support that belief?
One-Proportion z-Test
One-Sample t-Test
Two-Proprotion z-Test
Two-Sample t-Test
Which are necessary conditions to perform a significance test for a population proportion? You may select more than one answer.
Normal distribution of the population
np≥10 and nq≥10
SRS from the population
A sample size of at least 15
A sample size that is less than 10% of the population size
I am given the mean and standard deviation of a sample and I am asked to construct a 95% confidence interval for a population mean. Which of the following do I need to know before proceeding? You may select more than one answer.
The sample size
The shape of the distribution of the sample
p-hat
The true mean
The Margin of Error
Given an SRS of 20 math scores. Do we have reason to believe that the true proportion of students who score below 600 in math is not 50%?
One-Proportion z-Test
One-Sample t-Test
One-Sample t-Test on Matched Pairs
Two-Proportion z-Test
Given SRS’s of 20 male and 20 female verbal scores, can you estimate the true difference in the mean verbal scores of males and females in this school?
Two-Proportion z-Interval
Two-Sample t-Interval
One-Sample t-Interval on Matched Pairs
One-Proportion z-Interval
Given an SRS of 30 male verbal scores, estimate the true mean verbal score for males in this population.
One-Sample t-Test
One-Sample t-Interval
One-Sample t-Interval for Matched Pairs
One Proportion z-Interval
Which is a necessary condition before constructing a Two-Sample t-Interval for the difference between population means?
Two Independent Random Samples
A randomized matched-pairs experiment
np≥10 and nq≥10
Samples of equal size
Which of the following best describes a Type I error?
The null is true, but we mistakenly reject it.
The null is false and we reject it.
The null is false, but we fail to reject it.
The null is true but we fail to reject it.
The null is true, and we fail to reject it.
The null hypothesis is represented by:
Ha
Ho
t*
HP
μ
Salesperson 1 2 3 4 5 6
with bonus 2.9 3.0 5.8 4.4 5.3 5.6
w/o bonus 2.8 2.5 5.9 3.5 4.6 4.6
difference 0.1 0.5 -0.1 0.9 0.7 1.0
Weather station 1 2 3 4 5
January 139 122 126 64 78
April 104 113 100 88 61
Difference 35 9 26 -24 17
Does this information indicate that the peak wind gusts are higher in January than April?
