Home / Digital SAT Math Practice Questions – Medium : Evaluating statistical claims: observational studies and Experiments

Digital SAT Math Practice Questions – Medium : Evaluating statistical claims: observational studies and Experiments

Digital SAT Math Practice Questions - Medium : Evaluating statistical claims: observational studies and Experiments - New Syllabus

DSAT MAth Practice questions – all topics

  • Problem-solving and Data Analysis Weightage: 15%  Questions: 5-7
    • Ratios, rates, proportional relationships, and units
    • Percentages
    • One-variable data: distributions and measures of centre and spread
    • Two-variable data: models and scatterplots
    • Probability and conditional probability
    • Inference from sample statistics and margin of error
    • Evaluating statistical claims: observational studies and Experiments

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DSAT MAth and English  – full syllabus practice tests

Question Medium

Bar graph of valence electrons

For the elements in the periodic table having atomic numbers 1 through 18, the bar graph summarizes the number of elements by their number of valence electrons. How many of these elements have at most 4 valence electrons?

▶️ Answer/Explanation
Solution

Answer: 10

Elements with 1, 2, 3, or 4 valence electrons are counted. From atomic numbers 1-18, there are 3, 3, 2, and 2 elements respectively, totaling 10.

Question Medium

A state representative wants to increase the amount of driving practice time required before a student can earn a driver’s license. The representative surveyed a random sample of 50 from the 250 students taking the driver’s education class at Jefferson High School.

The survey reported that 62% of students taking the class agree that driving practice time should be increased, with an associated margin of error of 5%.

Which of the following populations can the results of the survey at Jefferson High School be extended to?

A) Students at any US high school

B) Students taking a driver’s education class at any US high school

C) Students at Jefferson High School

D) Students taking a driver’s education class at Jefferson High School

▶️ Answer/Explanation
Solution

Answer: D

The survey sample was drawn from students taking the driver’s education class at Jefferson High School, so results apply only to that group.

Question Medium

Dot plot of market values

The dot plot shows the estimated market values for 15 houses in a neighborhood. What is the maximum estimated market value, in thousands of dollars, for the data set?

A) 174

B) 176

C) 178

D) 180

▶️ Answer/Explanation
Solution

Answer: C

The highest value on the dot plot with at least one dot is 178 thousand dollars.

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