Understanding T Tests in Statistics

Understanding T Tests in Statistics

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who invented the T Test and for what company did he work?

Ronald Fisher, Fisher Scientific

John Tukey, Bell Labs

William Gosset, Guinness

Karl Pearson, Pearson Publishing

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a T Test in statistics?

To determine the correlation between two variables

To compare the means of two groups

To compare the variances of two groups

To calculate the probability of an event

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a T Test, what does a large T value indicate?

A large difference between means

A large variance

A small sample size

A small difference between means

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of T Test would you use for comparing the same group before and after a treatment?

One-sample T Test

Two-sample T Test

Unpaired T Test

Paired T Test

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between a paired and an unpaired T Test?

Paired T Test compares two different groups, unpaired compares the same group

Paired T Test compares the same group, unpaired compares two different groups

Paired T Test is used for large samples, unpaired for small samples

Paired T Test is used for categorical data, unpaired for numerical data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When would you use a one-sample T Test?

When comparing a sample mean to a known population mean

When comparing two independent groups

When comparing variances of two samples

When comparing two related groups

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a critical assumption for the validity of a T Test?

The data must be collected from a single source

The data should be approximately normally distributed

The sample size must be exactly 10

The data must be categorical

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