InkLoop/NYS Standards/NY-7.SP.1NY-7.SP.1
7th GradeStatistics and Probability60 target questions
Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population.
Sample Practice Questions (3)
1
A random sample of students was asked about their favorite fruit. The results are shown in the bar chart below. If there are students in the school, based on this sample, how many students would be expected to choose 'Apple' as their favorite fruit?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
A random sample of residents was asked about their preferred method of commuting to work. The results are shown in the bar chart below. If the town has residents, how many are expected to drive to work?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
The bar chart below shows the results of a survey of 40 randomly selected students about their favorite fruit. Based on this sample, if there are 600 students in the school, how many would be expected to choose Apple?
A12 students
B120 students
C180 students
D240 students
Multiple choice · diagramSee Answer + Explanation →
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NY-7.RP.1Compute unit rates associated with ratios of fractions including ratios of lengths areas and other quantities measured in like or different units.→NY-7.RP.2Recognize and represent proportional relationships between quantities. Decide whether two quantities are in a proportional relationship. Identify the constant of proportionality (unit rate) in tables graphs equations diagrams and verbal descriptions.→NY-7.RP.3Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest tax markups and markdowns gratuities and commissions fees percent increase and decrease percent error.→NY-7.NS.1Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.→