Samples and Populations Statistics

Samples and Populations Statistics

7th Grade

15 Qs

quiz-placeholder

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Samples and Populations Statistics

Samples and Populations Statistics

Assessment

Quiz

Mathematics

7th Grade

Easy

Created by

Anthony Clark

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A group of randomly selected Limestone Middle School students were asked their favorite color.  6 of the 25 students said their favorite color is orange.  Based on the survey, what is the most reasonable estimate for the number of the 525 Limestone Middle School students whose favorite color is orange? (Do not include a label on your answer.)

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Ken took a survey to find the time it takes students to travel to school.  A sample of the data is shown below.  What is the sample median for this data?

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Greg recorded the number of books read by students.  A sample of the data is below.   What is the sample mean of this data?

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The population describes:

The group of people, objects or events being surveyed

a part of the group being surveyed

the whole world

the school

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False: all samples lead to a good prediction about an entire population.

True

False

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Data was collected about the height of men and women college basketball players. Ten random players were selected from each team. The mean height for the men is 77 inches and the mean for the women is 71 inches. The MAD for these two samples is 2.5. Is the difference in means of the two data sets meaningful? Why?

Yes, the difference in means divided by MAD is less than 1.5.

Yes, the difference in means divided by MAD is greater than 1.5.

No, the difference in means divided by MAD is less than 1.5.

No, the difference in means divided by MAD is greater than 1.5.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Kerron gathers the heights of a random sample of 6th graders and 7th graders and displays the data in box plots. Which statement below is true?

The median of the 7th grade sample is greater than the 6th grade sample.

The 7th grade sample has greater variability.

The ranges of both data samples are equivalent.

The median of the 6th grade sample is greater than the 7th grade sample.

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