Unit 1 Review

Which of the following could you NOT find on a box and whisker plot?

• Range

• Mean

• Lower Quartile

• Median

What is the median in this picture?

• 18

• 45

• 64

• 70

What is the IQR in this picture?

• 10

• 18

• 40

• 67

Given the data

506, 511, 517, 514, 400, 521

What is the outlier?

Is this box-plot normal, right skewed, or left skewed? (Hint: turn your picture clockwise)

• Normal

• Right skewed

• Left skewed

What percentage of the data is above 7?

• 25%

• 50%

• 75%

• 100%

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

The data sets show the test scores of a group for the last two tests.

Test 1: {75, 75, 85, 80, 65, 70, 65} Test 2: {95, 85, 85, 90, 90, 95, 100}

Which data set had the SMALLER standard deviation?

• Test 1 with a standard deviation of 6.9

• Test 2 with a standard deviation of 6.9

• Test 1 with a standard deviation of 5.2

• Test 2 with a standard deviation of 5.2

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

• Set 1
• Set 2
• Set 3
• Set 4