T Distribution Hypothesis Test

T Distribution Hypothesis Test

11th Grade

9 Qs

quiz-placeholder

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Unit 9.1 - Intro to Hypothesis Testing

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T Distribution Hypothesis Test

T Distribution Hypothesis Test

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Anthony Clark

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In testing hypotheses, which of the following would be strong evidence against the null hypothesis?

using a small level of significance

using a large level of significance

obtaining data with a small p-value

obtaining data with a low test statistic

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.05, what is the appropriate conclusion?

Reject the null hypothesis

Reject the alternative hypothesis

Fail to reject the null hypothesis

Fail to reject the alternative hypothesis

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When do you use a t-value instead of a z-value? 

When n < 30

When n ≥ 30

When all of the planets align

When Ms. O said to

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

H0: μ = k

H1: μ ≠ k

Left-tailed test

Two-tailed test

Right-tailed test

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

H0: μ = k

H1: μ > k

Left-tailed test

Right-tailed test

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

It is a random variable that is calculated from sample data and used in a hypothesis test.

Sample

t-test

test statistic

z-test

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A fast food chain owner claims that the average number of people who visits their store is 1350 daily with a standard deviation of 30. A random sample of 20 days showed that the average number of people who visits their store is 1400. What is the appropriate form of test statistic?

q - test

z - test

t - test

x - test

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At the Chrysler manufacturing plant, there is a part that is supposed to weigh precisely 19 pounds. The engineers take a sample of parts and want to know if they meet the weight specifications. What are our null and alternative hypotheses?

Ho : μ = 17, Ha : μ ≠ 19

Ho : μ = 19, Ha : μ ≠ 19

Ho : μ = 19, Ha : μ ≠ 17

Ho : μ = 17, Ha : μ ≠ 17

9.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This is the same write-up as found in the previous question:

A recent newspaper article claimed that the President’s approval rating is 46%; however, a sample of 80 U.S. citizens shows that 43 of them approve of the President’s performance. At a 0.10 level of significance, you are interested in determining if there is evidence that the President’s approval rating is actually higher.

What is the p-value for this hypothesis test?

.082

.164

.702

.298