One out of Moira’s 8 skirts is pink. Which statement is false? A Moira has 9 skirts. B The ratio of pink skirts to all skirts is 1:8 C Of Moira’s 8 skirts, one is pink. D
15. Use the net to find the surface area of this rectangular pyramid with a square base.
7 inches
3 inches A 72 in2 B 65 in2 C 51 in2 D 56 in2
16. Identify the statistical question.
A What is your favorite movie? B How many hours did the students at Washington Middle School sleep last night? C How long was the fire drill? D How many hours did you sleep last night?
17. Sasha surveyed her friends to find out how many pets they have, and displayed her data on this line plot. X X X X X X X X X X X 0
1
2
3
X X X 4
5
6
Number of Pets
Which statement is true? A The mean number of pets is 2. B The data is skewed to the left. C The data is distributed uniformly. D 11 people participated in the survey.
A There are spaces between the bars of a histogram to show gaps in data. B Data is reported in ranges on a histogram. C A histogram reports more specific data than a bar graph. D Histograms are used with very small amounts of data.
20. Which is not a feature of a box plot (box-and-whisker)? A Interquartile Range B Median C Minimum D Mean