Question 1

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the null hypothesis? ____________________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 2

A nationwide survey of college students was conducted and found that students spend two hours per class hour studying.A professor at your college wants to determine whether the time students spend at your college is significantly different from two hours.A random sample of fifteen statistics students is carried out and the findings indicate an average of 1.75 hours with a standard deviation of 0.24 hours.The t-test is to be conducted at the 5% level of significance.What is H₀? ________________________

Accepted Answer

The answer of A nationwide survey of college students was...

Question 3

A nationwide survey of college students was conducted and found that students spend two hours per class hour studying.A professor at your college wants to determine whether the time students spend at your college is significantly different from two hours.A random sample of fifteen statistics students is carried out and the findings indicate an average of 1.75 hours with a standard deviation of 0.24 hours.The t-test is to be conducted at the 5% level of significance.What is our decision? _______________

Accepted Answer

The answer of A nationwide survey of college students was...

Question 4

A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account.A random sample of twelve accounts is selected,resulting in a sample mean of $220 and a standard deviation of $12.The t-test is to be conducted at the 5% level of significance.What is our decision? _______________

Accepted Answer

The answer of A restaurant that bills its house account...

Question 5

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the alternate hypothesis? ____________________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 6

A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account.A random sample of twelve accounts is selected,resulting in a sample mean of $220 and a standard deviation of $12.The t-test is to be conducted at the 5% level of significance.What is H₀? ________________________

Accepted Answer

The answer of A restaurant that bills its house account...

Question 7

A nationwide survey of college students was conducted and found that students spend two hours per class hour studying.A professor at your college wants to determine whether the time students spend at your college is significantly different from two hours.A random sample of fifteen statistics students is carried out and the findings indicate an average of 1.75 hours with a standard deviation of 0.24 hours.The t-test is to be conducted at the 5% level of significance.This is an example of what type of test? _________________________

Accepted Answer

The answer of A nationwide survey of college students was...

Question 8

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the z-statistic? _______________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 9

How is a significance level determined and how is it related to Type I error?

Accepted Answer

The answer of How is a significance level determined and...

Question 10

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -2.58 and the level of significance is 0.02? _____________________________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 11

A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account.A random sample of twelve accounts is selected,resulting in a sample mean of $220 and a standard deviation of $12.The t-test is to be conducted at the 5% level of significance.What is H₁? ________________________

Accepted Answer

The answer of A restaurant that bills its house account...

Question 12

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -1.96 and the level of significance is 0.01? ________________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 13

How is the significance level related to a p-value when the null hypothesis is rejected?

Accepted Answer

The answer of How is the significance level related to...

Question 14

When planning an experiment,how is a significance level related to sample size?

Accepted Answer

The answer of When planning an experiment,how is a significance...

Question 15

A survey indicates that among eighty people surveyed sixty or 75% prefer SOS cereal.What do the sixty people represent? ___________________

Accepted Answer

The answer of A survey indicates that among eighty people...

Question 16

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the critical value if$\alpha$ = .01? _____________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 17

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the p-value? _______________

Accepted Answer

The answer of A manufacturer claims that less than 1%...

Question 18

A nationwide survey of college students was conducted and found that students spend two hours per class hour studying.A professor at your college wants to determine whether the time students spend at your college is significantly different from two hours.A random sample of fifteen statistics students is carried out and the findings indicate an average of 1.75 hours with a standard deviation of 0.24 hours.The t-test is to be conducted at the 5% level of significance.What is H₁? ________________________

Accepted Answer

The answer of A nationwide survey of college students was...

Question 19

How is the significance level related to the size of the test statistic and the probability of a Type I error?

Accepted Answer

The answer of How is the significance level related to...

Question 20

A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account.A random sample of twelve accounts is selected,resulting in a sample mean of $220 and a standard deviation of $12.The t-test is to be conducted at the 5% level of significance.This is an example of what type of test? _______________________

Accepted Answer

The answer of A restaurant that bills its house account...

Quiz 10: One-Sample Tests of Hypothesis

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the null hypothesis? ____________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the alternate hypothesis? ____________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the z-statistic? _______________

How is a significance level determined and how is it related to Type I error?

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -2.58 and the level of significance is 0.02? _____________________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -1.96 and the level of significance is 0.01? ________________

How is the significance level related to a p-value when the null hypothesis is rejected?

When planning an experiment,how is a significance level related to sample size?

A survey indicates that among eighty people surveyed sixty or 75% prefer SOS cereal.What do the sixty people represent? ___________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the critical value if $\alpha$ = .01? _____________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the p-value? _______________

How is the significance level related to the size of the test statistic and the probability of a Type I error?

Quiz 10: One-Sample Tests of Hypothesis

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the null hypothesis? ____________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the alternate hypothesis? ____________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the z-statistic? _______________

How is a significance level determined and how is it related to Type I error?

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -2.58 and the level of significance is 0.02? _____________________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is your decision if the z-statistic is -1.96 and the level of significance is 0.01? ________________

How is the significance level related to a p-value when the null hypothesis is rejected?

When planning an experiment,how is a significance level related to sample size?

A survey indicates that among eighty people surveyed sixty or 75% prefer SOS cereal.What do the sixty people represent? ___________________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the critical value if α\alphaα = .01? _____________

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the p-value? _______________

How is the significance level related to the size of the test statistic and the probability of a Type I error?

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards.A survey of 500 products revealed ten did not meet the standard.What is the critical value if $\alpha$ = .01? _____________