The frequency distribution below shows the distribution for checkout time (in mi

Question

The frequency distribution below shows the distribution for checkout time (in minutes) in UMUC MiniMart between 3:00 and 4:00 PM on a Friday afternoon.

Checkout Time (in minutes)

Frequency

Relative Frequency

1.0 - 1.9

3

2.0 - 2.9

12

3.0 - 3.9

0.20

4.0 - 4.9

3

5.0 -5.9

Total

25

Checkout Time (in minutes)

Frequency

Relative Frequency

1.0 - 1.9

3

2.0 - 2.9

12

3.0 - 3.9

0.20

4.0 - 4.9

3

5.0 -5.9

Total

25

2. Complete the frequency table with frequency and relative frequency. Express the relative frequency to two decimal places. (5 pts)
3. What percentage of the checkout times was at least 3 minutes? (3 pts)
4. In what class interval must the median lie? Explain your answer. (5 pts)
5. Does this distribution have positive skew or negative skew? Why?

Explanation / Answer

The frequency distribution below shows the distribution for checkout time (in mi

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