Measures of Center
(Mean, Median, Mode)
(Mean, Median, Mode)
Measures of Variability
(Range, IQR, MAD)
(Range, IQR, MAD)
Interpreting/Comparing
Stem & Leaf Plots / Dot Plots
Stem & Leaf Plots / Dot Plots
Interpreting/Comparing
Histograms / Box Plots
Histograms / Box Plots
Populations, Samples, & Bias
100
What is the mode of the data set below?
{1, 3, 3, 3, 4, 5, 6, 6, 7, 8, 9, 10, 10, 10, 12}
3 and 10
100
What is the range of the data set below?
{5, 8, 15, 18, 25}
20
100
What is the range of the stem and leaf plot?
41
100
How many black cherry trees are between 70 and 80 feet tall?
18
100
Mary just moved to a new city and wanted to find out which grocery store is the best. So she went to the Food Lion parking lot and surveyed people as they left the store. Is the data that Mary is collecting biased?
Yes
200
What is the mean of the data set below?
{10, 11, 15, 20}
14
200
What is the IQR of the data set below?
{3, 6, 8, 8, 12, 16, 19}
10
200
How many trains had more than 50 passengers?
11
200
How many black cherry trees are less than 75 feet tall?
14
200
A furniture store wants to know if their customers are satisfied with their service. They decide to survey every 10th customer on their way out of the store. Is this sample random or not random?
Random
300
What is the mean of the data set below?
{22, 26, 29, 30, 35, 39, 45, 46}
34
300
What is the IQR of the data set below?
{2,4,6,8,10,12,14,16,18}
10
300
Which brand had more phones batteries last at least 15 hours?
Brand B
300
What is the median score on this test?
85
300
C
400
What is the median of the data set below?
{19, 24, 26, 28, 31, 36, 39, 40, 44, 46, 48, 48, 49}
39
400
What is the MAD of the data set below? DO NOT ROUND.
{10, 11, 15, 20}
3.5
400
How many people slept 8 hours?
8
400
Which has a larger range in their length, ladybugs or beetles?
beetles
400
A shipment to a warehouse consists of 3,500 MP3 players. The manager chooses a random sample of 50 MP3 players and finds that 3 are defective. Infer how many MP3 players in the shipment are likely to be defective?
210
500
What is the median of the data set below?
{21, 22, 24, 26, 27, 29, 30, 33}
26.5
500
What is the MAD of the data set below? DO NOT ROUND.
{22, 26, 29, 30, 35, 39, 45, 46}
7.25
500
Which grade had more success finding butterflies?
sixth-grade
500
B
500
A seventh-grade student chooses a random sample of 50 out of 400 students in the school. He finds that 7 students have traveled outside the United States. Based off the sample, infer how many students in the school have traveled outside the United States.
56