SAT Math · Topic 3.3

One-Variable Data: Distributions and Measures of Center and Spread Practice

Part of Problem-Solving and Data Analysis.

Practice questions

52

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Sample questions

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Sample 1difficulty 2/5
$The mean of 4 numbers is 25. What is their sum?$
- A
  $25$
- B
  $50$
- C
  $125$
- D
  $100$
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Why
$\times$
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Sample 2difficulty 2/5
$\{3, 5, 8, 10, 14\}$
- A
  $10$
- B
  $7$
- C
  $9$
- D
  $8$
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Why
$(3+5+8+10+14)/5 = 40/5 = 8$
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Sample 3difficulty 2/5
$A bar chart shows monthly sales: Jan 200, Feb 150, Mar 220, Apr 180. What were total sales over these 4 months?$
- A
  $800$
- B
  $750$
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- C
  $700$
- D
  $850$
Why
$200 + 150 + 220 + 180 = 750$
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Sample 4difficulty 2/5
$A bar graph shows favorite fruits: Apples 25, Bananas 30, Oranges 20, Grapes 15. What fraction prefer bananas?$
- A
  $30/100 = 0.30$
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- B
  $30/60$
- C
  $30/90$
- D
  $1/4$
Why
$25 + 30 + 20 + 15 = 90$
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Sample 5difficulty 2/5
$1$
- A
  $1$
- B
  $3$
- C
  $2$
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- D
  $4$
Why
$2$
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