Question

Student grades on a chemistry exam were: 77, 78, 76, 81, 86, 51, 79, 82, 84, 99


Required:

a. Construct a stem-and-leaf plot of the data.

b. Are there any potential outliers? If so, which scores are they? Why do you consider them outliers?"

Answer 1

Answer:

Step-by-step explanation:

A) Stem-and-leaf plot

stem          leaf

5                 1

7                 6,7,8,9

8                 1,2,4,6

9                  9

B) Outlier

Could consider 51 an outlier.

Answer 2

A Stem and Leaf Plot is a special table where each data value is split into a "stem" (the first digit or digits) and a "leaf" (usually the last digit).

What is stem and leaf plot?

A Stem and Leaf Plot is a special table where each data value is split into a "stem" (the first digit or digits) and a "leaf" (usually the last digit).

The "stem" values are listed down, and the "leaf" values go right (or left) from the stem values.

The "stem" is used to group the scores and each "leaf" shows the individual scores within each group.

A) Stem-and-leaf plot

stem          leaf

5                 1

7                 6,7,8,9

8                 1,2,4,6

9                  9

B)  potential outliers will be

Could consider 51 an outlier.

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