It is claimed that a teenager's average amount of sleep in a day is 6.8 hours with a standard deviation of 2.6 hours. To test this claim, a researcher interviewed 50 teenagers about their sleeping hours. Results revealed that the average amount of sleep they have is 7.15 hours. Which of the following is the parameter in the problem?

A teenager's average amount of sleep in a day.

The random interviewed teenager students.

It is claimed that a teenager's average amount of sleep in a day is 6.8 hours with a standard deviation of 2.6 hours. To test this claim, a researcher interviewed 50 teenagers about their sleeping hours. Results revealed that the average amount of sleep they have is 7.15 hours. Which of the following is the conclusion of the researcher that committed type II error?

The researcher concludes that the average amount of sleep in a day of a teenager is 6.8 hours, when, in fact, it is not.

The researcher concludes that the average amount of sleep in a day of a teenager is not 6.8 hours, when, in fact, it is actually 6.8 hours.

The researcher concludes that the average amount of sleep in a day of a teenager is 6.8 hours, when, in fact, it is actually 6.8 hours.

In a certain hypothesis testing procedure, the rejection region is z < −1.96. What does this mean?

The rejection region is composed of values found on the left side of -1.96 in the standard normal distribution.

The rejection region has the value -1.96.

The rejection region is composed of values greater than -1.96.

The rejection region is composed of values found on the right side of -1.96 in a standard normal distribution.

In the given graph, the z-score is 1.05 and the rejection is the right and left of ±1.96. What is the appropriate decision?

reject the alternative hypothesis

Statistics and Probability Reviewer

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Mathematics

11th Grade

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

This refers to an idea or explanation for something that is based on known facts but not yet been proved to be true.

A. decision

B. error

C. hypothesis

D. interpretation

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What mathematical model is appropriate for decision-making in statistics?

A. bar graph

B. histogram

C. normal curve

D. z-table

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes an alternative hypothesis using right-tailed test?

A. 𝐻𝑎: 𝜇 < 50 𝑦𝑒𝑎𝑟𝑠 𝑜𝑙𝑑

B. 𝐻𝑎: 𝜇 ≠ 50 𝑦𝑒𝑎𝑟𝑠 𝑜𝑙𝑑

C. 𝐻𝑎: 𝜇 > 50 𝑦𝑒𝑎𝑟𝑠 𝑜𝑙𝑑

D. 𝐻𝑎: 𝜇 = 50 𝑦𝑒𝑎𝑟𝑠 𝑜𝑙𝑑

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The researcher wants to test the significant difference between the mean score of Grade 11 students of HCCS and ESPS in their third quarter examination in Statistics and Probability. What would be the null hypothesis?

A. 𝐻o: μ1= μ2

B. 𝐻o: μ1≠ μ2

C. 𝐻o: μ1≥ μ2

D. 𝐻o: μ1≤ μ2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT TRUE about null hypothesis?
I. It is denoted by 𝐻o.
II. It always shows equality.
III. Uses the symbols ≠, ≥, and ≤.
IV. It is the hypothesis that claims to be true.

A. I, II

B. I, II, IV

C. III only

D. I, II, III, IV

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following does not belong to the common level of significance?

A. 0.01

B. 0.05

C. 0.10

D. 0.5

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following symbol does not belong to the group?

≠

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Statistics and Probability Reviewer

This refers to an idea or explanation for something that is based on known facts but not yet been proved to be true.

What mathematical model is appropriate for decision-making in statistics?

Which of the following describes an alternative hypothesis using right-tailed test?

The researcher wants to test the significant difference between the mean score of Grade 11 students of HCCS and ESPS in their third quarter examination in Statistics and Probability. What would be the null hypothesis?

Which of the following is NOT TRUE about null hypothesis?
I. It is denoted by 𝐻o.
II. It always shows equality.
III. Uses the symbols ≠, ≥, and ≤.
IV. It is the hypothesis that claims to be true.

Which of the following does not belong to the common level of significance?

Which of the following symbol does not belong to the group?

It pertains to the set of all values for which the null hypothesis will be rejected.

Which of the following hypothesis test is appropriate in the given graph?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Statistics and Probability Reviewer

This refers to an idea or explanation for something that is based on known facts but not yet been proved to be true.

What mathematical model is appropriate for decision-making in statistics?

Which of the following describes an alternative hypothesis using right-tailed test?

The researcher wants to test the significant difference between the mean score of Grade 11 students of HCCS and ESPS in their third quarter examination in Statistics and Probability. What would be the null hypothesis?

Which of the following is NOT TRUE about null hypothesis? I. It is denoted by 𝐻o. II. It always shows equality. III. Uses the symbols ≠, ≥, and ≤. IV. It is the hypothesis that claims to be true.

Which of the following does not belong to the common level of significance?

Which of the following symbol does not belong to the group?

Which of the following is the correct process in hypothesis testing? I. Determine the level of significance. II. Make a decision and draw conclusion. III. Formulate the null and alternative hypotheses. IV. Calculate the test statistics and identify the rejection region.

It pertains to the set of all values for which the null hypothesis will be rejected.

Which of the following hypothesis test is appropriate in the given graph?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Which of the following is NOT TRUE about null hypothesis?
I. It is denoted by 𝐻o.
II. It always shows equality.
III. Uses the symbols ≠, ≥, and ≤.
IV. It is the hypothesis that claims to be true.

Which of the following is the correct process in hypothesis testing?
I. Determine the level of significance.
II. Make a decision and draw conclusion.
III. Formulate the null and alternative hypotheses.
IV. Calculate the test statistics and identify the rejection region.