Chapter 9: z-test and t-tast

Chapter 9: z-test and t-tast

9th - 12th Grade

31 Qs

quiz-placeholder

Similar activities

Statistics Standard Distribution

Statistics Standard Distribution

10th - 12th Grade

26 Qs

Statistics Concepts Normal Distribution

Statistics Concepts Normal Distribution

10th - 12th Grade

26 Qs

Statistics Normal Distribution

Statistics Normal Distribution

10th - 12th Grade

26 Qs

Normal Probability

Normal Probability

10th - 12th Grade

26 Qs

Normal

Normal

10th - 12th Grade

26 Qs

Measures & Boxplots

Measures & Boxplots

9th - 12th Grade

27 Qs

Alg 2 Statistics

Alg 2 Statistics

11th Grade

26 Qs

Standard Distribution

Standard Distribution

10th - 12th Grade

26 Qs

Chapter 9: z-test and t-tast

Chapter 9: z-test and t-tast

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSS.IC.B.4, HSS.ID.B.6B, HSN.Q.A.1

+1

Standards-aligned

Created by

Salko Kolarevic

Used 6+ times

FREE Resource

31 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When performing a significance test, we're looking for convincing evidence to __________ the null hypothesis in favor of the alternative hypothesis.

refute

dispute

reject

accept

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Small p-values mean that our sample was very unlikely if the null hypothesis is true. Therefore, small p-values are ________________ that the null hypothesis is wrong.

convincing evidence

believable proof

reliable information

justifiable inference

Tags

CCSS.HSS.ID.B.6B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The symbol for the significance level is ____.

Tags

CCSS.HSN.Q.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lumber companies dry freshly cut wood in kilns before selling it. A certain percentage of boards develop cracks on their ends during drying. The current drying procedure is known to produce cracks in 16% of boards. The drying supervisor wants to try a new method that she believes will result in a proportion of cracked boards that is less than 16%.

Write the appropriate hypotheses.

Ho: p = 0.16

Ha: p = 0.16

Ho: p = 0.16

Ha: p =/= 0.16

Ho: p = 0.16

Ha: p > 0.16

Ho: p = 0.16

Ha: p < 0.16

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Since our p-value of 0.027 is >undefined , we fail to reject the null hypothesis. We do not have convincing evidence that the new method is better. 

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Last year, a pineapple company in Hawaii grew pineapples that weighed an average of 31 ounces. The company installed a new irrigation system hoping that this year’s crop of pineapples would be larger than 31 ounces.

Write appropriate hypotheses.

Ho: u = 31 ounces

Ha: u > 31 ounces

Ho: u = 31 ounces

Ha: u < 31 ounces

Ho: u = 31 ounces

Ha: u =/= 31 ounces

Ho: u = 31 ounces

Ha: u = 31 ounces

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Since our p-value of 0.1317 is >undefined , we fail to reject the null hypothesis. We do not have convincing evidence that the pineapples are larger. 

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?