Statistics Review

Front

The data from how many students was recorded on this histogram?

Back

43

Front

Find the median of that data on this frequency table.

Back

30

Front

What 3 values could be entered for Wednesday, Thursday, Friday to give you a MEAN of 7?

Back

Any 3 numbers that add up to 20.

Front

What is the difference between a statistical question and one that is not statistical?

Back

Answers of statistical questions have variability (many answers). Non-statistical have no variability (one answer).

Front

3,4,7,6,8,7,9,3,7,4 What is the mode for this data set?

Back

7

Front

Mean of data set: 35, 43, 81, 30, 41, 95, 103, 43, 96

Back

63

Front

What is the best measure of center to use if there is an outlier in your data and why?

Back

Median is best because the outlier skews the data.

Front

What is the mean of the data set: 6, 11, 14, 4, 8, 8, 10, 9, 14, rounded to the nearest tenth?

Back

9.3

Front

What are the values for the five number summary? Min., Q1, Q2, Q3, Max

Back

2, 3, 5, 11, 18

Front

What is the mean of this data, and what is a general observation you can make? Options: 80, most students scored higher than 80; 85.83, most students score 80 or higher; 80, most students scored lower than 80; 85.83, most students scored lower than 80.

Back

85.83, most students score 80 or higher