T Distribution

What is the other term for t-distribution?

• Student’s t-distribution

• Percentile distribution

• Probability distribution

• Z-distribution

This refers to the maximum number of logically independent values which varies in the data sample.

• Level of significance

• Percentiles

• Degree of freedom

• Probability

This refers to the measure of position with data divided into 100 parts.

• Percentiles

• Deciles

• Quartiles

• Median

What is the right-tailed area if the confidence interval is 75%?

• 0.05

• 0.10

• 0.005

• 0.25

What will be the degree of freedom of the data whose sample size is 18?

• 17

• 18

• 19

• 20

Identify the t-value whose number of samples n = 9 and has an area (𝛼) equal to 0.05

• 0.261

• 1.833

• 1.860

• 3.355

Identify the t-value whose number of samples n = 2 and has an area (𝛼) equal to 0.40

• 0.289

• 0.325

• 0.277

• 0.816

Identify the t-value whose number of samples n = 11 and has an area (𝛼) equal to 0.25

• 0.700

• 0.697

• 1.372

• 0.260

What is the degree of freedom if the sample size is 20?

• 21

• 19

• 20

• 18

What is the right-tailed area if the confidence interval is 60%?

• 0.040

• 0.40

• 0.004

• 0.0004