SSAT Middle Level Math : Data Analysis

Study concepts, example questions & explanations for SSAT Middle Level Math

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Example Questions

Example Question #11 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

Find the average of these amounts:

$34.78, $21. 69, $76.89, $47.88

Possible Answers:

\displaystyle 41.31

\displaystyle 181.24

\displaystyle 47.88

\displaystyle 45.31

Correct answer:

\displaystyle 45.31

Explanation:

First, add all the amounts:

\displaystyle 34.78+21.69+76.89+47.88=181.24

Then, divide by 4:

\displaystyle 181.24\div 4=45.31

Answer: The average is 45.31

Example Question #301 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Find the mean of this set of numbers:

5855, 5588, 5585, 5858, 5885, 5559, 5885

Possible Answers:

\displaystyle 5885

\displaystyle 327

\displaystyle 5745

\displaystyle 5858

Correct answer:

\displaystyle 5745

Explanation:

First, add the numbers in the set:

\displaystyle 5855+5588+5585+5858+5885+5559+5885=40215

Then, divide by the amount of numbers in the set:

\displaystyle 40215\div 7=5745

Answer: The mean is 5745.

Example Question #303 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Find the mean of the following set of numbers:  227, 215, 206, 238, 249

Possible Answers:

\displaystyle 215

\displaystyle 228

\displaystyle 227

\displaystyle 226

\displaystyle 238

Correct answer:

\displaystyle 227

Explanation:

Add the numbers, and divide by 5:

\displaystyle \frac{ 227 + 215 +206+238+ 249}{5} = \frac{1,135}{5} = 227

Example Question #12 : How To Find Mean

Mason went on a road trip Saturday-Monday. Each day he travelled 76 miles, 89 miles and 72 miles. What was the average number of miles Mason travelled each day?

Possible Answers:

\displaystyle 75

\displaystyle 72

\displaystyle 79

\displaystyle 76

Correct answer:

\displaystyle 79

Explanation:

First, add all the miles travelled:

\displaystyle 76+89+72=237

Then, divide by 3:

\displaystyle 237\div 3=79

Answer: On average, Mason travelled 79 miles a day.

Example Question #23 : How To Find Mean

Patricia bought three candles for her home. The candles cost $2.78, $3.68, $1.58, respectively. What was the average price of the candles that Patricia bought?

 

Possible Answers:

\displaystyle \$1.50

\displaystyle \$2.68

\displaystyle \$3.00

\displaystyle \$2.78

Correct answer:

\displaystyle \$2.68

Explanation:

First, add all the prices:

\displaystyle 2.78+3.68+1.58=8.04

Then, divide that amount by 3:

\displaystyle 8.04\div 3=2.68

Answer: The average price of a candle is $2.68

Example Question #13 : How To Find Mean

Find the mean in this set of numbers:

9078, 9008, 9800, 9099, 9009, 9090, 9008

Possible Answers:

\displaystyle 9009

\displaystyle 9800

\displaystyle 9099

\displaystyle 9156

Correct answer:

\displaystyle 9156

Explanation:

First add all the numbers:

\displaystyle 9078+9008+9800+9099+9009+9090+9008=64,092

Then, divide that number by 7:

\displaystyle 64,092\div 7=9156

Answer: The mean is 9156

Example Question #22 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

While shopping for a couch, Mila found four she really liked. Each cost \displaystyle \$549, \displaystyle \$689\displaystyle \$481 and \displaystyle \$729. What is the average price of a couch Mila is considering?

Possible Answers:

\displaystyle \$549.00

\displaystyle \$689.00

\displaystyle \$612.00

Correct answer:

\displaystyle \$612.00

Explanation:

First, add all the prices:

\displaystyle 549+689+481+729=2448

Then, divide by 4 (the number of couches):

\displaystyle 2448 \div 4=612

Answer: The average price of a couch Mila is considering is $612.

Example Question #21 : How To Find Mean

Elizabeth went food shopping today. She spent $32.78, $21.63 and $19.39 at each supermarket. How much did Elizabeth spend, on average, at each supermarket?

Possible Answers:

\displaystyle \$21.63

\displaystyle \$13.39

\displaystyle \$73.80

\displaystyle \$24.60

Correct answer:

\displaystyle \$24.60

Explanation:

First, add the amounts Elizabeth spent at each supermarket:

\displaystyle 32.78+21.63+19.39=73.80

Then divide by 3 (the number of supermarkets she went to):

\displaystyle 73.80 \div 3=24.60

Answer: On average, Elizabeth spent $24.60 at each supermarket.

Example Question #14 : How To Find Mean

Find the mean in this set of numbers:

\displaystyle 565,655, 655, 555, 665

Possible Answers:

\displaystyle 655

\displaystyle 110

\displaystyle 619

\displaystyle 555

\displaystyle 620

Correct answer:

\displaystyle 619

Explanation:

First add all the numbers in the set:

\displaystyle 565+655+655+555+665=3095

Then, divide that number by 5:

\displaystyle 3095\div 5=619

Answer: The mean is 619.

Example Question #451 : Ssat Middle Level Quantitative (Math)

Find the mean in this set of numbers:

210, 120, 110, 220, 120

Possible Answers:

\displaystyle 156

\displaystyle 155

\displaystyle 150

\displaystyle 154

Correct answer:

\displaystyle 156

Explanation:

First, add up all of the numbers in the set:

\displaystyle 210+120+ 110+220+120=780

Then, divide: \displaystyle 780 \div 5=156

Answer: The mean is 156.

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