Stats Jeopardy

Z scores/table

100

What is a p-value for -1.72

 .0427

200

What is p-value for -4.34

 .0002

300

If x̄=47, μ=42, Sx=12, and n=78, what is the z-score?

 3.57

400

If x̄=35, μ=40, Sx=12, and n=30, what is the p-value?

 .0113

500

 Here are the numbers of colleges students applied to in 2023 (14, 8, 7, 20, 13, 4, 17, 23, 12, 1) . If μ=13, what is the z-score?

.3121

t scores/table

100

How do you find degrees of freedom?

n-1

200

What is the P-value for 1.00

.25

300

If n=34 what is the degree of freedom? 

33

400

 If x̄= 19.72, μ=19.5, Sx=0.85, and n=10 what are the t-scores and p-value 

t=0.818 and p=0.703

500

If x̄=166.13, Sx=88.52, n=30, μ=215 what is the t-score 

3.023

Confidence intervals (z/t/p)

100

What is the z-score for 90% confidence interval

1.645

200

What should happen to the range if the confidence level is larger?

it gets bigger

300

If p̂=0.23, and n=41 what is the confidence interval for 90% confidence?

(0.1218,0.3381)

400

If x̄= 166.13 Sx=88.52 and n=30 what is the 90% confidence interval (t-table)

(138.67, 193.59)

500

The average monthly rent for a random sample of 60 apartments is $1000. The population standard deviation of $200. Find the 95% confidence interval (z-table).

 ($943.39 - $1050.61)

Hypothesis testing (z/t/p)

100

What does Ho stand for?

null hypothesis

200

What does Ha stand for?

alternative hypothesis

300

Ho: μ=15 Ha: μ>15 p=0.0012 (z-table) is the claim accepted or rejected? 

the claim is rejected

400

Ho: Po=.46 Ha: Po<.46, p̂=.23, what is the p-score and do you accept or reject Ho? 

p=0.0094, reject the claim.