Free Printable AP Statistics Topic VIII Other Inference Tests

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AP Statistics Topic VIII Other Inference Tests

Total questions: 10

Worksheet time: 14mins

Name

Class

Date

What does it mean when a test is statistically significant?

it has reached alpha level status

the test statistic had a P-value higher than the alpha level

the test statistic had a P-value lower than the alpha level

it is important in practical terms

How can you reduce both Type I and Type II errors?

it can't be reduced

redo the tests

increase the sample size

tamper with the data

To compare 2 dog-training programs, an obedience school trained 43 dogs using Program A and 41 dogs using Program B. For Program A, the average number of training hours required was 24.8 with a standard deviation of 3.1 hours. For Program B, the mean was 22.9 hours with a standard deviation of 3.3 hours. Is there a significant difference between the two programs?

One-Sample Z Test for a Proportion

One-Sample Z Test for a Mean

Two-Sample T Test for the Difference in Means

Two-Sample Z Test for the Difference in Means

In 1975, a random sample of 1484 adult U.S. citizens was surveyed, and 193 strongly agreed with the statement, "People should take care of themselves". Then, in 1991, a survey of 1013 adult U.S. citizens showed that only 61 strongly agreed with the statement. Does this indicate that the proportion of U.S.adults who strongly agree with the given statement has dropped?

Two-Sample Z Test for the Difference in Proportions

Two-Sample T Test for the Difference in Means

Matched Pairs T Test for a Mean

One-Sample T Test for a Mean

Which test would you use to see if the distribution of music that Californians listen to is the same as that of Nevadans? 900 Californians and 600 Nevadans were surveyed.

Chi-square Goodness of Fit Test

Chi-Square Test for Homogeneity

Chi-Square Test for Independence/Association

Not a Chi-square test

Which test would you use .... In 1974, each acre of the Tahoe basin was assessed to see what condition the soil was in. 23% of acres were of type I, 32% were of type II, 41% were of type III, and 16% were of type IV. This year the region was assessed again and the number of each type were again determined.

Chi-square Goodness of Fit Test

Chi-Square Test for Homogeneity

Chi-Square Test for Independence/Association

Not a Chi-square test

Which test would you use to see if gender is a factor choosing a person’s favorite fruit? 900 college students were surveyed and their favorite fruit recorded.

Chi-square Goodness of Fit Test

Chi-Square Test for Homogeneity

Chi-Square Test for Independence/Association

Not a Chi-square test

If the χ²_criticalvalue= 5.99 and the

χ²_calculatedvalue = 7.35, what is the conclusion

Reject Ho, accept H1

Accept Ho, reject H1

there is not enough info to decide

The conclusion can only be made if we also know the p-value

What are the degrees of freedom for the following χ² test?

10.

Fast food is often considered unhealthy because of its high content of both fat and calories. But are the two related? The fat and calorie contents of several brands of burgers were analyze for their association between fat and calorie content. What is the name of inference use to determine if a relationship exists between these two variables?

Z-test for a proportion

T-test for a mean

T-test for the slope of a regression line

Chi square test of independence

Z-test for a difference between two proportions

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AP Statistics Topic VIII Other Inference Tests

Total questions: 10

Worksheet time: 14mins

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