Mean, Median, Mode
MEAN & IQR
Outlier, Range and Quartiles
Probability I
Pobability II
100
The __________ is the center value of a sorted list
What is the median.
100
Phyllis is comparing the daily high temperatures in two cities.
Chicago, Il
40, 39, 41, 38, 42, 44, 45, 37, 48, 46
San Francisco, CA
59, 66, 57, 63, 67, 61, 70, 62, 61, 64
What is the mean temperature for Chicago, IL?
42
100
Subtracting the lowest value from the highest value will give you the ___________
the range
100
A stack of playing cards has 4 queens, 9 Aces and 2 Jacks. What is the probability of pulling a Jack and then a Queen? You do NOT replace the cards after you choose.
Is this a dependent or independent event? _________________________________
Dependent...why?
2/15 x 4/14 = 8/210 = 4/105
100
Delcon spins a spinner two times with the number 1-4 on it. How many outcomes are possible?
a. 4
b. 8
c. 12
d. 16
d. 16
200
The double box plot shows the cost of MP3 players at two different stores. Compare the centers and variations of the two populations.
Cost of MP3 Players ($)
Median of Electronics World: ______________
Median of Bargain Basement: ______________
Median of Electronics World: 70
Median of Bargain Basement: 60
200
Phyllis is comparing the daily high temperatures in two cities.
Chicago, Il
40, 39, 41, 38, 42, 44, 45, 37, 48, 46
San Francisco, CA
59, 66, 57, 63, 67, 61, 70, 62, 61, 64
What is the mean temperature for San Francisco, CA?
63
200
Find the outlier of the set: 6, 7, 8, 8, 8, 10, 12 , 45
what is 45
200
What is the sample space for rolling a regular die? { _________________________ }
P(Even Number) = _____________________
{1 ,2, 3, 4, 5, 6}
P(even) = 1/2 or 3/6
200
Delcon spins a spinner two times with the number 1-4 on it.
What is the probability of landing on the number 1 with the first spin and 2 with the second spin?
a. 1/16
b. 1/12
c. 1/8
d. 1/4
a. 1/16
300
Find the mean for the following set: 45, 45, 47, 49, 50, 52
48
300
Phyllis is comparing the daily high temperatures in two cities.
Chicago, Il
40, 39, 41, 38, 42, 44, 45, 37, 48, 46
San Francisco, CA
59, 66, 57, 63, 67, 61, 70, 62, 61, 64
The mean temperature for Chicago, IL is how many degrees Fahrenheit colder than the mean temperature for San Francisco, CA?
a. 18
b. 19
c 20
d. 21
d. 21
300
Find the lower and upper quartile: 3 , 6 , 7 , 9 , 10 , 13
lower: 6
upper: 10
300
Imagine rolling a regular die and then flipping a coin.
P (3, heads)
P (even number, tails)
1. 1/12
2. 1/4
300
Destiny has a bag with 3 green, 4 red, and 5 blue marbles. Destiny will pick 2 marbles form the bag, one at a time without looking. She will not replace a marble before picking the next marble. What is the probability of Destiny picking a red marble, followed by a green marble?
a. 1/12
b. 1/11
c. 7/12
d. 1/2
b. 1/11
400
The manager of an animal shelter keeps track of the weight of each dog available for adoption. The dot plot shows the results. Select True of False of each statement.
Dogs’ Weight (in pounds)
A: false
B: true
C: false
D: true
400
Phyllis is comparing the daily high temperatures in two cities.
Chicago, Il
40, 39, 41, 38, 42, 44, 45, 37, 48, 46
San Francisco, CA
59, 66, 57, 63, 67, 61, 70, 62, 61, 64
What is the interquartile range for Chicago, IL?
6
400
Josh's neighborhood started two clubs --- one for movies and one for books. The ages of the book club members are 48, 27, 32, 56, 59, 43, 39, 28, 28, 42, 71, and 55 years. The ages of the movie club members are 24, 27, 18, 26, 34, 32, 42, 45, 16, 23, 19, and 30 years.
What is the range of the overlap between the two sets of data?
a. between 18 and 45 years of age
b. between 18 and 71 years of age
c. between 27 and 45 years of age
d. between 27 and 71 years of age
c. between 27 and 45 years of age
400
What is the probability of spinning a prime number on the spinner below?
1 or 100%
400
A bag hold a number of ribbons as given in the table below.
color number of ribbons in bag
black 1
blue 3
green 4
Jolene pulls a colored ribbon from a bag and does not replace it. She then draws a second ribbon.
How man outcomes are possible?
a. 5
b. 6
c. 8
d. 9
b. 6
500
The following data set are test scores for a 7th grade scholar.
{70, 65, 75, 2}
Find the...
mean
median
mode
range
mean: 53
Median : 67.5
Mode: no mode
range: 68
500
Phyllis is comparing the daily high temperatures in two cities.
Chicago, Il
40, 39, 41, 38, 42, 44, 45, 37, 48, 46
San Francisco, CA
59, 66, 57, 63, 67, 61, 70, 62, 61, 64
What is the IQR for San Francisco, CA?
5
500
The double box-and-whisker plot below shows the vocabulary quiz scores for Mr. Taddeo’s first and second period classes.
Quiz Scores
What is the interquartile range of the first period quiz scores? Show work:
a. 5
b. 10
c.15
d.20
c. 15
500
For each situation, tell whether the situation is unlikely, likely, or neither likely nor unlikely.
a. Drawing a 10 from a bag with 100 slips of paper numbered 1-100.
b. Rolling a number less than 5 on a number cube labeled with the numbers 1-6.
c. Drawing a red marble from a bag containing 8 red and 8 blue marbles.
a. unlikely
b. likely
c. neither likely nor unlikely
500
A bag hold a number of ribbons as given in the table below.
color number of ribbons in bag
black 1
blue 3
green 4
Jolene pulls a colored ribbon from a bag and does not replace it. She then draws a second ribbon.
What is the probability that Jolene draws two blue ribbons?
a. 3/28
b. 9/64
c. 9/56
d. 6/25
a. 3/28