T-Table Reading

Which is our current school year?

• SY 2020-2021

• SY 2021-2022

• SY 2022-2023

• SY 2023-2024

What does "n" signify?

• sample size

• confidence level

• level of significance

• probability

What does "a" signify?

• sample size

• confidence level

• level of significance

• probability

How is the alpha level computed from the confidence level?

• n - 1

• CL - 100%

• 100% - CL

• 1 - n

How is the degree of freedom computed given the sample size?

• 1 - n

• n - 1

• df - 1

• 1 - df

"Fif-t Shades"

What is the value of the shaded area in the distribution?

• 15%

• 5%

• 95%

• 2.5%

"Fif-t Shades"

What is the value of one shaded area in the distribution?

• 0.005%

• 0.5%

• 0.001%

• 0.1%

"T-ick your Pick"

Find the t-value of a right-tailed distribution with a degree of freedom of 10 and a confidence level of 95%.

• 1.812

• 1.833

• 2.228

• 2.262

"T-ick your Pick"

Find the t-value of a two-tailed distribution with a sample size of 8 and a 80% confidence level.

• ±0.896

• ±1.397

• ±1.415

• ±1.895

"Percen-TILES"

What is the percentile of 1.771 under a t-distribution with 13 degrees of freedom?

• 5th percentile

• 10th percentile

• 90th percentile

• 95th percentile