Topic Review: Statistics & Probability

QuizÂ by NYSED Math Grade 8

Mathematics
Common Core

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### Measures 4 skills fromGrade 8MathematicsCommon Core

8.SP.A.3
8.SP.A.4
8.SP.A.1
8.SP.A.2

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18 questions
• Q1
60s
8.SP.A.3
• Q2
60s
8.SP.A.3
• Q3
60s
8.SP.A.3
• Q4
A school club had a T-shirt sale to raise money. After the sale, an inventory showed that 108 blue T-shirts and 96 green T-shirts had been sold. The sizes of these T-shirts included 60 small, 86 medium, and 58 large. Which table correctly represents these data?
60s
8.SP.A.4
• Q5
60s
8.SP.A.3
• Q6
As part of a training program for a triathlon, Marcie completes a three-mile run a few times each week. The scatter plot below shows the times in which Marcie completes this run for each week that she has been in the training program. Based on these data, which statement BEST describes the relationship between the number of weeks Marcie has been in the training program and her running times?
There is a negative linear association with one outlier.
There is a positive linear association with one outlier.
There is a negative linear association with no outliers.
There is a positive linear association with no outliers.
60s
8.SP.A.1
• Q7
60s
8.SP.A.2
• Q8
60s
8.SP.A.3
• Q9
The scatter plot below shows the average points scored per game by players of different ages in an adult basketball league. Which statement BEST describes the association between a player's age, in years, and the average points scored per game?
There is a negative linear association and one outlier.
There is no association.
There is a positive linear association and one outlier.
There is a nonlinear association.
60s
8.SP.A.1
• Q10
60s
8.SP.A.3
• Q11
A newspaper conducted a survey to find out how many high school students play video games. The two-way table below displays the data from the survey. Based on these data in the table, which statement is true?
There were 2,996 girls surveyed, and about 45% of them play video games.
There were 2,451 boys surveyed, and about 29% of them play video games.
There were 5,447 students surveyed, and about 54% of them do not play video games.
There were 2,493 students surveyed, and about 34% of them are girls who do not play video games.
60s
8.SP.A.4
• Q12
60s
8.SP.A.2
• Q13
The scatter plot below shows the average number of customers who visit a food truck per day, depending on the number of days the food truck stays in the same location. Which statement BEST describes the association between the number of days the food truck is in the same location and the number of customers who visit the food truck per day?
There is a positive linear association.
There is a nonlinear association.
There is a negative linear association.
There is no association.
60s
8.SP.A.1
• Q14
The shoe sizes and the heights for 20 classmates were plotted as ordered pairs on a scatter plot. A line of best fit was drawn to model the data. Which scatter plot shows the most accurate line of best fit?
60s
8.SP.A.2
• Q15
The scatter plot below shows the relationship between the outside temperature and the number of cups of hot chocolate sold at an event. Which statement describes the data?
There is a nonlinear association between the outside temperature, in degrees Fahrenheit, and the number of cups of hot chocolate sold.
There is a positive linear association between the outside temperature, in degrees Fahrenheit, and the number of cups of hot chocolate sold.
There is no association between the outside temperature, in degrees Fahrenheit, and the number of cups of hot chocolate sold.
There is a negative linear association between the outside temperature, in degrees Fahrenheit, and the number of cups of hot chocolate sold.
60s
8.SP.A.1

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