Division
88 divided by 8
11
Find the Mode:
19, 12, 10, 12, 13, 17
12
Three dolphins are born at a zoo. The total weight of the baby dolphins is 196 pounds. The first baby dolphin weighs 88 pounds. What is the mean weight of the other two dolphins?
196-88=108
108/2=54
54 pounds
Which of the following words can be used to remember mode?
Most often
Common
Most popular
All of the above
All of the above
You subtract the minimum from the maximum to find the _____.
Range
96 divided by 6
16
Find the Range:
51, 47, 48, 42, 53, 46
11
Adrian, Dakota, and Calvin made an average of 52 snacks. Adrian and Dakota made an average of 61 snacks. Dakota and Calvin made an average of 44 snacks. How many snacks did each of them make?
A + D = 61 x 2 = 122
D + C = 44 x 2 = 88
C = 156-122 = 34 SNACKS
D = 88-34= 54 SNACKS
A = 156-88= 68 SNACKS
The highest score last year in math was a 600 but the lowest was a 293. What was the range of the scores?
307
The _____ of a set of numbers can be found by finding the sum of all numbers, then dividing the sum by the total amount of numbers in the data set.
Mean/Average
956 divided by 3
318 R2
Find the Median:
32, 33, 37, 38, 39, 44
37.5
(100 x 76) - (100 x 70) = 600
600/(80 -70) = 60 boys
100-60=40 girls
Which of the following examples represents fair share the best?
A. Every student gets 1 piece of candy except one student who gets 2.
B. Putting 67 pieces of candy in 2 bowls and 60 pieces in a 3rd bowl.
C. The teacher splitting a box of 12 pencils among 4 students, giving 3 to each.
D. Ryan and Joe playing on the computer for 20 minutes each, and Kyle playing for 50 minutes.
The teacher splitting a box of 12 pencils among 4 students, giving 3 to each.
The ____ of a set of numbers is the middle number in a data set.
Median
563 divided by 7
80 R3
Find the Mean:
51, 47, 48, 42, 53, 46
47.8
A parking lot has 20 vehicles in it. There are 8 cars, 4 buses, 6 motorcycles, and 2 vans. The first vehicle that leaves the parking lot is a car. If vehicles leave randomly, what is the probability that the second vehicle to leave is a bus?
number of buses/number of vehicles left = 4/19
Which of the following situations would require you to find the mean?
A. Your friend wants to know your lowest test score this year.
B. Your parents want to know which game you play the most.
C. Your teacher wants to know the difference between your height and their height.
D. Your baseball coach wants to know your batting average from last year.
Your baseball coach wants to know your batting average from last year.
The number that occurs most often in a data set is called the ____.
Mode
742 divided by 4
185 R2
Find the Median:
51, 47, 48, 42, 53, 46
47.5
The mean of Susan's math and science scores is 74 points. The mean of her math and English scores is 83 points. How many more points did Susan score in English than in science?
Total math and science = 74 x 2 = 148
Total math and English = 83 x 2 = 166
166-148=18
She scored 18 more points in English than in science
How could range help a meteorologist?
A. It could tell him the average temperature.
B. It will tell him the most common temperature.
C. It will tell him the highest temperature.
D. It will tell him the difference between the hottest and coldest days.
It will tell him the difference between the hottest and coldest days.
True or False: There can be more than one mean.
False