Population and Samples
MMMR & IQR
Box Plots
Comparing Plots
Scatter Plots
100

An entire group of objects, individuals, or events is a _____________.

What is Population

100

Evan and Josh are on the basketball team. The table shows the amount of time each spent practicing basketball. What is the mean for the number of hours Evan spent practicing basketball each week?

6.5 hours

100

What is the median of the following box plot? 

What is 21 points. 

100

Which dot plot is more symmetrical? Top or bottom?  

What is the top plot. 

100
What type of association does this graph have?

Negative

200

Melanie wants to know if people like pets in the house. She asks the question, "Do you like dogs in your house?". Is the questions biased or unbiased?

What is biased. 

200

In the following dot plots, what is the range?

What is 7. 

200

What is the minimum and maximum value in the box plot?

What are 17.5 and 22.5. 

200

What are the two medians of the box plots below? 

What are 43 and 51 (about). 

200
What is the type of association?



No association

300

Roberto wants to know the favorite sport of adults in his hometown. He surveys 50 adults at a baseball game. Is this sample biased or unbiased?

What is biased.

300

In the following dot, what is the mean of the data. (Round to the nearest tenth) 

31.6

300

What percent of the data is between Q1 and Q3?

What is 50% of the data. 

300

What is the difference of the ranges? 

What is 4. 

300

Describe the association between the number of lanes rented and the number of people bowling.

Positive Linear Association 

400

James is buying drinks for the 7th grade party. He randomly sampled students to determine which drink they would like to have. Out of the 15 students, 3 of them chose lemonade. There are 150 students in the 7th grade. How many students should James estimate would like to have lemonade?

30 students

400

Find the mean, median, mode, and range

92, 90, 81, 89, 82, 85, 82, 89,

Mean: 86.3 (rounded to the nearest tenth)

Median: 87

Mode: 89 & 82

Range: 11

400

What is the Interquartile Range?

What is 5. 

400

Which graph has a greater Q3? 

What is Store B. 

400
Based on the graph, if Joe earned $400, how many hours did he work?

25 hours

500

A university has 30,330 students. In a random sample of 270 students, 18 speak three or more languages. Predict the number of students at the university who speak three or more languages.

What is 2,022 students

500

Potato chip bags are filled based on weight. At a potato chip factory the weights of 10 randomly selected bags are listed below. The measure of center for the bags must be within 0.31 or 235 grams.

Below are the measures of the weights of the 10 sample bags. Find the MEAN. Round to the hundredths if needed.

235.17

500

What is the difference between the median and the range?

What is 6. 

500

The IQRs for both graph is 10. TRUE or FALSE. The difference between the medians is exactly half the IQR. 

What is false. 

500
About how many male math teachers were there in 2006?


35

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