z scores/table
whats the z-scores full name?
z-score
What's the t-test's full name?
Student's T-Test
what is the z value for 90% confidence interval
1.645
What does Ho stand for?
Null hypothesis
Who does Mo come to see in stats everyday
Jaylen
What is Ha if the average is less than the mu value of 237?
Ha: M<237
If the number of data points are 27 which row would you look at on a t-table
26
T SCORE
x bar = 250.7
standard deviation = 646
n = 24
solve for 70% confidence interval
What does Ha stand for?
Alternate hypothesis
Whos did Mo see at TD Garden
John Cena
what table would you use to find a z-score?
z-table
Would you reject or accept if the p-value is 0.005
reject
x bar = 242.17
Sx= 95.51
n=30
solve for 90% confidence interval
(212.54, 271.8)
where do you find the p-value?
z-table or t-table
What is Mo's secret identity
Wayne
What are the two different types of z-tests?
1 tail and 2 tail
What do you need for a z-test that you don't need for a t-test?
Population Standard Deviation
Z SCORE
in a sample of 30 dogs the average weight is 32.7 pounds with a standard deviation of 7.2
solve for 95% confidence level.
(30.12, 35.28)
What does "sigma" stand for?
Population Standard Deviation
What brand of scarf was Mo wearing last week?
Gucci
Calculate the z score if "Mu " is 172, "X bar" is 237.967, Sx is 71.37, and there were 30 data points.
5.062
Calculate the t score if "Mu " is 125, "X bar" is 115.63, Sx is 22.78, and there were 30 data points.
-2.25
spillane asked his class of 27 people if they prefer cats or dogs. 9 answered cats. solve for 90% confidence interval.
(0.184, 0.483)
What are the first five words of a conclusion
What is Mo's real name
Yassine