t student 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

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

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

Find the t* value for a 99% confidence interval with a sample of 23 people.

• 1.714
• 1.711
• 2.064
• None of these.

• 2.764

• 2.718

• 1.363

• 1.372

Find the t-value 95th percentile , given the number of samples 12.

• 3.106

• 1.782

• 1.796

• 3.055