Describing and Understanding Distributions

Which choice best describes the shape of the following distribution?

• Unimodal and skewed

• Unimodal and roughly symmetric

• Bimodal and skewed

• Bimodal and roughly symmetric

• Uniform

Which choice best describes the shape of the following distribution?

• Unimodal and skewed

• Unimodal and roughly symmetric

• Bimodal and skewed

• Bimodal and roughly symmetric

• Uniform

Which choice best describes the centers of the following distribution?

• Mode: ~6 to 8

  Median: ~ 6 to 8

  Mean: ~ 6 to 8

• Mode: ~ -2 to 0

  Median: ~4 to 6

  Mean: ~2 to 4

• Mode: ~ 4 to 6

  Median: ~4 to 6

  Mean: ~4 to 6

• Mode: ~ 4 to 6

  Median: ~ 2 to 4

  Mean: ~ 4 to 6

Answer explanation

Which choice best describes the centers of the following distribution?

• Mode: ~11 to 12

  Median: ~4 to 5

  Mean: ~7 to 8

• Mode: ~3 to 4

  Median: ~4 to 5

  Mean: ~7 to 8

• Mode: ~ 4 to 5

  Median: ~4 to 5

  Mean: ~4 to 5

• Mode: ~ 4 to 5

  Median: ~ 4 to 5

  Mean: ~5 to 6

Answer explanation

This is an example of a ....

• normal distribution

• skewed distribution

• exponential distribution

• discrete distribution

What is the shape of the distribution?

• Skewed Left 

• Skewed Right

• Symmetric

• Bimodal

This data is

• symmetrical

• skewed right

• skewed left

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

Which choice best describes the centers of the following distribution?

• Mode: ~6 to 8

  Median: ~10 to 12

  Mean: ~4 to 6

• Mode: ~12 to 14, and 0-2

  Median: ~2 to 4

  Mean: ~6 to 8

• Mode: ~12 to 14, and 0-2

  Median: ~10 to 12

  Mean: ~2 to 4

• Mode: ~ 0 to 2

  Median: ~ 4 to 5

  Mean: ~10 to 12

Answer explanation

To describe spread, what is the approximate range of the following distribution?

• Range: ~18

• Range: ~8

• Range: ~14

• Range: -1