Statistics Test

Which dot plot has the greatest variability?

• A
• B
• C
• D

Tags

CCSS.7.SP.B.3

CCSS.7.SP.B.4

What is the best measure of this data?

• Mean
• Median
• Mode

Tags

CCSS.7.SP.B.4

Which measure of center best represents this set of data?

12, 13, 11, 16, 31, 14, 10, 15

• Mean

• median

• mode

Which measure of center best represents this set of data?
73, 75, 71, 72, 76

• Mean
• median
• mode

Tags

CCSS.7.SP.B.4

Which is a true statement based on the box plots above

• The data for Team B has a greater range.

• The data for Team A is more symmetric.

• The data for Team B has a greater interquartile range.

• The data for Team A has a greater median.

Lee Middle School has 420 students. Irene surveys a random sample of 45 students and finds that 18 of them have pet cats. How many students are likely to have pet cats out of all Lee Middle School's students?

• 24 students

• 40 students

• 168 students

• 240 students

Above is data collected from a random sample of 80 students regarding their fitness habits. If the entire school has 600 students, then what is a reasonable estimate for the number of students who consider themselves to have an average fitness habit?

• 175

• 120

• 280

• 330

Tags

CCSS.7.SP.A.2

• Seventh graders tend to spend less time on homework than sixth graders.

• The sixth grade data has a larger mode number of hours than the seventh grade data.

• The sixth grade data has a larger maximum number of hours than the seventh grade data.

• The median number of hours for both grade levels is 8 hours.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.B.3

CCSS.7.SP.B.4

What is the difference in medians of the two box plots?

• 3

• 4

• 5

• 2

Tags

CCSS.7.SP.B.3

CCSS.7.SP.B.4

Which statement is true about the interquartile range?

• Class 1 has and interquartile range of 4 which is greater than the interquartile range of Class 2.

• Class 1 has and interquartile range of 5 which is greater than the interquartile range of Class 2.

• Class 1 has an interquartile range of 4, and Class 2 has an interquartile range of 5.

• Class 1 and Class 2 have an interquartile range of 14.

Tags

CCSS.7.SP.B.3

CCSS.7.SP.B.4