Quiz about categorizing Stat Problems

Question 1

When road conditions are snowy, how much faster do people who have four wheel drive vehicles drive compared to those who have two wheel drive vehicles? 45 four wheel drive vehicles and 40 two wheel drive vehicles were clocked.

Accepted Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for a Population Mean

Answer

Confidence Interval for a Proportion

Answer

Confidence Interval for Paired Data (Dependent Samples)

Question 2

A police chief is interested in estimating the average amount of money that is stolen during a bank robbery. She investigates 42 recent bank robberies.

Accepted Answer

Confidence Interval for a Population Mean

Answer

Confidence Interval for a Proportion

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for the Difference Between 2 Proportions

Question 3

A child psychologist wants to estimate the mean difference between the number of words children can recall when they hear them and the number of words they can recall when then see them on a written page. Fifty-two children were each read to and asked how many words they recalled and then they were asked to look at a book and asked how many words they recalled.

Accepted Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for a Population Mean

Answer

Confidence Interval for a Proportion

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for the Difference Between 2 Proportions

Question 4

What is the president's approval rating? 1500 US citizens were asked whether they approved of the job that the president was doing.

Accepted Answer

Confidence Interval for a Proportion

Answer

Confidence Interval for a Population Mean

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for the Difference Between 2 Proportions

Question 5

Forty-five LTCC students were asked how much money they spent on textbooks and how much money they spent on tuition. Estimate the mean difference between the average amount of money students spend on books and how much they spend on tuition.

Accepted Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for a Population Mean

Answer

Confidence Interval for a Proportion

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for the Difference Between 2 Proportions

Question 6

Are African Americans taller than Caucasians? 10,000 African Americans and 10,000 Caucasians were measured.

Accepted Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Answer

Hypothesis Test for a Population Mean

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for Paired Data (Dependent Samples)

Answer

Hyp. Test for the Difference Between 2 Proportions

Question 7

Does meditation lower stress? The average stress level is 42. 87 people who meditated averaged 38. What can be concluded?

Accepted Answer

Hypothesis Test for a Population Mean

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Answer

Hyp. Test for Paired Data (Dependent Samples)

Answer

Hyp. Test for the Difference Between 2 Proportions

Question 8

Are tourists on the North Shore more likely to rent a boat than tourists on the South Shore? 50 North Shore tourists and 50 South Shore tourists were surveyed.

Accepted Answer

Hyp. Test for the Difference Between 2 Proportions

Answer

Hypothesis Test for a Population Mean

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Answer

Hyp. Test for Paired Data (Dependent Samples)

Question 9

Is a man who walks into a car dealership more likely to purchase an automobile than a woman? 70 men and 60 women were observed.

Accepted Answer

Hyp. Test for the Difference Between 2 Proportions

Answer

Hypothesis Test for a Population Mean

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Answer

Hyp. Test for Paired Data (Dependent Samples)

Question 10

A study was done to see how much gas Americans consume. 600 Americans were asked how far they lived from their work and how many gallons of gas they used each week. Find a confidence interval for the mean amount of gas that is used by Americans who live 15 miles from work.

Accepted Answer

Prediction for a Single Value of y for a Fixed x

Answer

Chi-Square Goodness of Fit Test

Answer

Chi-Square Test for Independence

Answer

Chi-Square Test for Homogeneity

Question 11

A biologist measured the blood sugar level of 500 mice that were fed various amounts of sugar. Estimate the mean blood sugar level of mice that are fed 3 grams of sugar.

Accepted Answer

Prediction for a Single Value of y for a Fixed x

Answer

Chi-Square Goodness of Fit Test

Answer

Chi-Square Test for Independence

Answer

Chi-Square Test for Homogeneity

Question 12

Is the type of television show that a person chooses to watch related to the brand of deodorant that a person uses? 1500 people were surveyed.

Accepted Answer

Chi-Square Test for Independence

Answer

Prediction for a Single Value of y for a Fixed x

Answer

Chi-Square Goodness of Fit Test

Answer

Chi-Square Test for Homogeneity

Question 13

Is the distribution of bird species in the Tahoe area the same as in the Yosemite area? 720 Tahoe area birds and 814 Yosemite area birds were observed.

Accepted Answer

Chi-Square Test for Homogeneity

Answer

Prediction for a Single Value of y for a Fixed x

Answer

Chi-Square Goodness of Fit Test

Answer

Chi-Square Test for Independence

Question 14

Does the political affiliation of congress reflect the known political affiliation of the American Public?

Accepted Answer

Chi-Square Goodness of Fit Test

Answer

Prediction for a Single Value of y for a Fixed x

Answer

Chi-Square Test for Independence

Answer

Chi-Square Test for Homogeneity

Question 15

Seventy-four South Tahoe residents were asked how many cups of coffee they drank each week and how many glasses of water they drank each week. Estimate the mean difference between the average number of cups of coffee South Tahoe residents drink and the average number of glasses of water they drink.

Accepted Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Question 16

When road conditions are snowy, how much faster do people who have four wheel drive vehicles drive compared to those who have two wheel drive vehicles? 45 four wheel drive vehicles and 40 two wheel drive vehicles were clocked.

Accepted Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Question 17

How much better has the NASDAQ done than the Dow Jones industrial this year? The daily point gains and losses have been charted since January 2.

Accepted Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Question 18

How much more time do men spend listening to music compared to women? 52 men and 52 women were surveyed.

Accepted Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Hypothesis Test for a Population Proportion

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Question 19

Are people who drink coffee more stressed than those who do not drink coffee? 300 coffee drinkers and 200 non-coffee drinkers were tested for stress level (on a 100 point scale).

Accepted Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Hypothesis Test for a Population Proportion

Question 20

Do more than 99.9% of women who are given the vaccine stay free of ovarian cancer? 30,000 women were observed.

Accepted Answer

Hypothesis Test for a Population Proportion

Answer

Confidence Interval for the Diff. Between 2 Means (Independent Samples)

Answer

Confidence Interval for Paired Data (Dependent Samples)

Answer

Hyp. Test for the Difference Between 2 Means (Independent Samples)

categorizing Stat Problems

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics