Hickman t vs normal distribution ES

Hickman t vs normal distribution ES

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Assessment

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Mathematics

12th Grade

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17 questions

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1.

MULTIPLE CHOICE

1 min • 1 pt

You are building a confidence interval, n is 33, your sample SD is 15, and you want to build a 90% confidence interval, then which of the statements is true

2.

MULTIPLE CHOICE

1 min • 1 pt

What should the sample size be to use z distribution if you know that the data is normally distributed?

3.

MULTIPLE CHOICE

1 min • 1 pt

What should the sample size be to use z distribution?

4.

MULTIPLE CHOICE

1 min • 1 pt

What should the sample size be to use t distribution?

5.

MULTIPLE CHOICE

1 min • 1 pt

You know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 30

6.

MULTIPLE CHOICE

1 min • 1 pt

You know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 31

7.

MULTIPLE CHOICE

1 min • 1 pt

You are building a confidence interval, n is 10, your sample SD is 32, and you want to build a 95% confidence interval, then which of the statements is true

8.

MULTIPLE CHOICE

1 min • 1 pt

You know the sample SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 31

9.

MULTIPLE CHOICE

1 min • 1 pt

You know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 30

10.

MULTIPLE CHOICE

1 min • 1 pt

What is not known in t distribution?

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