Quiz 4.4: Data and Analysis

Use the table to answer the question.

A sample of students is taken from the school's A honor roll. The school estimates that there are 360 students on the A honor roll. Using this sample, how many students on the A honor roll are 8th graders?

• 125 students

• 126 students

• 520 students

• 1028 students

Tags

CCSS.7.RP.A.2C

Based on the table, if there are 360 students in the school on the A honor roll, how many students are 7th graders?

• 11 students

• 90 students

• 99 students

• 100 students

A new restaurant in town is surveying residents to determine how much they typically pay for a meal out. Which of the following best describes a random sample?

• They go door-to -door in a nearby neighbrhood.

• They randomly select 50 residents of a local nursing home.

• They call 200 randomly selected town residents.

• They ask patrons if the price was resonable.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The elementary school cafeteria is considering changing the menu from pizza to sub sandwiches. Which of the following best describes a random sample?

• All the students in Mrs. Johnson's class are surveyed.

• Twenty randomly selected fifth graders are surveyed.

• Fifty randomly selected staff members are surveyed.

• Fifty student's names are drawn from a hat.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A streaming service randomly selected 100 of its subscribers and asked them how many hours of shows they watch per week. Of those surveyed, 45 watch more than 10 hours per week. Based on the data, if the company has 2, 500 subscribers, then how many watch more than 10 hours per week?

• 400

• 1,125

• 1,400

• 800

Tags

CCSS.7.RP.A.3

The table represents the number of donut holes per box at Damon's Donuts. What is the median number of donut holes?

• 23

• 23.75

• 24

• 24.5

Tags

CCSS.6.SP.B.5C

The list of data shows the allowance earned by eight of the students in Ms. Tomas's class. What is the mean allowance earned in Ms. Tomas's class?

$7, $12, $8.50, $10, $7, $8, $10.50, $11

(a)  

Tags

CCSS.7.NS.A.3

The mean absolute deviation is 0.1. What conclusions can be drawn?

• The data points are close to the median.

• The data points are far from the median.

• The data points are far from the mean.

• The data points are close to the mean.

Tags

CCSS.6.SP.B.5C

Determine the Interquartile Range (IQR) of the data below.

11, 13, 16, 17, 8, 10, 14, 14, 17, 14

• 11

• 16

• 5

• 14

Tags

CCSS.6.SP.B.5C

The average test scores for Mrs. Green's history class has a mean absolute deviation of 12. What conclusion can you make about the average test scores for Mrs. Green's history class?

• The average of the test scores n Mrs. Green's history class is a 12.

• The mean absolute deviation is high, so the test scores must all be high.

• The mean absolute deviation of 12 means that the test scores were very spread out.

• The mean absolute deviation of 12 means that the test scores were very close together.

Tags

CCSS.6.SP.B.5C