Question

The dot plots show the heights of boys and girls at a summer camp.

Answer 1

Answer:

First choice:

• Most of the data in each plot are greater than 48.

Explanation:

1. Boy's Heights.

Using the information you can create a frequency table:

Heigth    Frequency

40                   0

41                     1

44                    3

46                    3

48                    2

50                    3

52                    4

54                    4

56                    0

58                    0

60                    0

                   ======

                      20 boys

2. Girl's Heights.

Similarly, create your frequency table:

Height        Frequency

40                      0

41                       0

42                      0

44                      2

46                      3

48                       1

50                      3

52                       4

54                       3

56                       4

58                       0

60                       0

                      ======

                        20 girls

Which is a true statement for most of the data in each plot?

Most of the data in each plot are greater than 48.

• Count the dots or add the frequencies from the tables.

• For boys, the frequency of points greater than 48 is: 3 + 4 + 4 = 11 which is more than half (there are 20 dots).

• For girls, the frequency of points greater than 48 is: 3 + 4 + 3 + 4 = 14, which is also more than half.

Hence, it is correct that most fo the data in each plot are greater than 48.

Answer 2

Answer:

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Step-by-step explanation: