Unit 2 Investigation 1 Review

Mrs. Howard graded the class’s science test. The grades were 76, 92, 46, 89, 98, 100, 53, 75, 84, 88, and 90. How many people scored above an 80?

Suppose one more student reports that she wore tennis shoes. How many people now will be shown to have worn walking shoes and tennis shoes?

The table shows the number of goals the Helena Wildcats scored during the season. What was the team’s combined score for games 2 and 3? GamePoints Scored

Mrs. Crowe measured her class’s lima bean plants in inches. How many plants were greater than 10 inches? 14, 15, 9, 3, 7, 9, 12, 16, 4

Brian looked at his science test scores. His median grade was an 80. What does this tell you about his test scores? A. The range of his scores was 20. B. Most of his scores were 86. C. Brian passed all of his tests. D. Half of Brian’s scores are better than 80.

Look at the line plot on the number of hours practiced. Identify the outlier.

What is the range for the set of data? 1.45, 87, 32, 54, 68, 43, 78, , 34, 57, 24, 51, 67, 46, 30, 87

What is the median for the test scores? 1.67, 83, 47, 90, 100, 84, , 78, 56, 89, 97, 100, 46, 76, 56

Based on the data in the line plot, which statement is true? A. There are 6 people that have 3 pets. B. There are 5 people that have no pets. C. This is counting only dogs. D. Most people have more than 4 pets.

Make a line plot from the table. Number of players in each game GameNumber of Players