This page shows questions in the Math 7 Statistics and Probability public release module at MSDE. 7th Grade Math
"Math 7 Statistics and Probability"
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This is a multiple choice question that allows you to select only one option.
Javier will ask a survey question to determine the average number of times per month people around the United States shop for groceries.
Which sample should Javier use to get results that are the most representative of the total population?
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This is a question with 2 parts, including a fill in the blank question that allows you to enter only numbers, and, a multiple choice question that allows you to select only one option.
Ethan surveyed 120 registered voters at random out of a total of 12,600 registered voters in his town. He asked them who they planned to vote for in the upcoming election.
Part A
Ethan's first survey was conducted on Sunday. The results are shown in this table.
| Number of Expected Votes | |
| Ms. Gibson | Ms. Reynolds |
|---|---|
| 45 | 75 |
Based on the results of Ethan's first survey, what is the total number of registered voters expected to vote for Ms. Gibson in the upcoming election?
Enter your answer in the box.
Part B
Ethan surveyed a different random sample of 120 registered voters in his town each day for the rest of the week. The results of his survey for the week, including Sunday, are shown in this table.
| Number of Expected Votes | ||
| Day | Ms. Gibson | Ms. Reynolds |
|---|---|---|
| Sunday | 45 | 75 |
| Monday | 43 | 77 |
| Tuesday | 48 | 72 |
| Wednesday | 44 | 76 |
| Thursday | 48 | 72 |
| Friday | 45 | 75 |
| Saturday | 43 | 77 |
Based on the results of the survey each day, what is the best prediction for how many more votes Ms. Reynolds is expected to receive than Ms. Gibson is in the upcoming election?
Copyright 2023, New Meridian Corporation. Reprinted with permission. All rights reserved. The printing, copying, redistribution, or retransmission of this content without express written permission is prohibited.