Look at the distribution #1. Is it normal or skewed?
Normal
100
Given: mean = 10; standard deviation = 2. If you have a data value of 12, what is the z-score?
z = 1
100
Find the standard deviation of the following data set:
3, 4, 4, 5, 6, 8
1.63
100
Using your z score table, calculate the probability of:
P(z<-1.9)
2.85%
100
How many red stripes are on the American flag?
Seven
200
Look at distribution #2. Is it Normal or Skewed?
Skewed
200
Given: mean = 25; standard deviation = 5. If you have a data value of 15, what is the z-score?
z = -2
200
Find the standard deviation of the following data set:
20, 20, 22, 25, 30, 31
4.46
200
Using your z score table, calculate the probability of:
P(z<2.5)
99.38%
200
What are the names of the four Teenage Mutant Ninja Turtles?
Raphael, Donatello, Leonardo, Michael Angelo
300
Given the mean = 90, the median = 90, and the mode= 90, what kind of distribution do you have?
Normal
300
Given: mean = 8; standard deviation = 0.5. If you have a data value of 8.5, what is the z-score?
z = 1
300
Find the standard deviation of the following data set:
3, 10, 81, 20, 9, 14
26.5
300
Using your z score table, calculate the probability of:
P(z> 1.5)
6.68%
300
Ms. D has how many children?
Two
400
Given the mean = 100, mode = 100, and median = 60, what kind of distribution do you have?
Not normal; abnormal; skewed.
400
Given: z-value = 2, mean = 90, standard deviation = 2; what is your data value?
Data value = 94
400
Which data set will have the greater standard deviation:
A. 0, 0, 1, 2, 5, 3
B. 0, 5, 10, 15, 20, 25
B
400
Using your z score table, calculate the probability of:
P(z>-1.99)
97.67%
400
There are seven children in Jenny's family:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and ____?
Jenny
500
Look at Distribution #3 and #4. Which is more normal and why?
#4; b/c of outliers in #3
500
Given: mean = 0.5, standard deviation = 0.05, and z-score = = -1.75, find the data value.
0.4125
500
Given the following info, which person has the higher standard deviation:
A: z-score = 2, average = 80, data = 100
B. z-score = 2, average = 85, data = 104
Person A
500
Using your z score table, calculate the probability of:
P(-0.5<z<1.5)
62.47%
500
What is the length to width ratio of a standard pool table?