AASA 7th Math 7.SP (PRACTICE)

A teacher surveyed 20 students from 4 grades to decide which game to play on the last day of school. The table shows the results.

The teacher will choose the same game for all 44 grades. Which conclusions are supported by the survey results?

Most students want to play soccer. ​ (a)  

Students in grades 7 and 8 like soccer more than baseball.​ (b)  

The data will not help the teacher choose a game. ​ (c)  

• NOT Supported
• Supported

Tags

7.SP

A student uses a 6-sided number cube, labeled 1 through 6, to find the experimental probability of rolling a number greater than 4.

She will roll the number cube 12 times. The results of the first 11 rolls are shown.

1, 6, 5, 2, 4, 3, 5, 2, 1, 2, 6

Which number on the 12th roll would result in an experimental probability that is equal to the theoretical probability of rolling a number greater than 4?

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7.SP

Joseph planted some tomato seeds in containers and some tomato seeds in the ground. He watered them equally. After 2 months, he measured the height, in inches (in), of each plant. The box plots show the results.

Based on the box plots, which statements about the tomato plants are true?

Select all the correct answers.

• More plants were planted in the ground than were planted in containers.

• On average, the plants in the ground grew taller than the plants in the containers.

• The median height of the tomato plants in the containers was 14 in.

• The heights of the plants in the containers varied less than the heights of the plants in the ground.

• The heights of all the plants in the ground were greater than the heights of all the plants in the containers.

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7.SP

Which probabilities best represent events that would not be considered either likely or unlikely?

Select all the correct answers.

• .23

• .53

• .47

• .87

• .17

Answer explanation

Think of this as "rounding" likeliness.

<.04 or 4% Impossible

>.04 < .45 Very Unlikely-Somewhat unlikely

> .45 < .55 As likely as not

> .55 < .95 Somewhat likely - Very Likely

>.95 or 95% Almost Certain - Certain

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7.SP

The two box plots shown represent the number of vacation days available for a random sample of 100 employees in two different businesses.

Complete the sentences by selecting the correct answers from the drop-down menus.

The median for Business B is about  ​ (a)   the median for Business A.

The range of Business B is ​ (b)   days greater than the range of Business A.

• four-fifths
• 2
• one-third
• five-fourths
• one-half
• two-thirds
• 3
• 4
• 5

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7.SP

Maddox randomly selected a marble from a bag, recorded the color, and then placed it back in the bag. He did this 40 times. His results are shown in the table.

Based on the observed frequencies, which table is most likely to represent the bag of marbles that Maddox used?

• 
• 
• 
• 

Tags

7.SP

A town council creates a survey to collect data on preferences for the location of a new park. What would be a valid sampling method to collect the survey data?

Select the VALID method(s)

Tags

7.SP

A coach wants to know the favorite snack purchased at the concession stand during football games. Which is the best sample for the coach’s survey?

• students getting off the bus

• teachers at the school

• the football team players

• students entering the football stands

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7.SP

Jennifer asked people in the food court at a mall what type of food they purchased. The results are in the table below. Based on the information in the table, which statement is true?

• More than 50% of the people purchased a hamburger or sub sandwich

• Less than 20% of the people purchased a hamburger

• More people purchased fried rice than chicken

• No one chose other

Tags

7.SP

The chart below shows monthly average temperatures for two cities. Which month has the greatest difference in average temperatures between the two cities?

• June

• July

• August

• September

Tags

7.SP