T-Test Practice Problems

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Last Name *

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Class *

At school 1 the measured heights were (cm): 145, 140, 138, 142, 154, 154, 158, 160, 166, 166

At school 2 the measured heights were (cm): 148, 162, 153, 163, 157, 167, 161, 172, 162, 172

For the previous scenario, what is the mean height (cm) for both school 1 and 2? *

1 point

School 1: 145.3, School 2: 152.3

School 1: 163.2, School 2: 155.3

School 1: 152.3, School 2: 161.7

School 1: 138.5, School 2: 142.3

For the previous scenario, what is the t-test value? *

1 point

2.28

2.54

3.61

3.72

For the previous scenario, is the t-value higher than the critical t-value from the table? *

Use the t-table linked on Mr. Rott's Statistical Analysis Resources website to answer this question

1 point

Yes

No

For the previous scenario, is there a significant difference between the height of students from school 1 and school 2? *

Use the t-table linked on Mr. Rott's website to answer this question

1 point

Yes

No

Justify your answer for the previous question *

0 points

Your answer