Question

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.356, 0.358, 0.366 If these data were placed in a frequency table using the classes 0.320 - 0.329, 0.330 - 0.339, 0.340 - 0.349, 0.350 - 0.359, and 0.360 - 0.369, how many values would fall into the class 0.350 - 0.359?
A.5
B.3
C.2
D.4 ...?

Answer 1

Answer:

Hence, the number of values that  fall into the class 0.350 - 0.359 is:

2.

Step-by-step explanation:

on making the frequency table with the help of the data.

we make two columns in the table one of the interval of the data and the other corresponding to the frequency of the data in that interval.

 Interval                      Frequency

0.320-0.329                   1

0.330-0.339                  14

0.340-0.349                  12

0.350-0.359                   2

0.360-0.369                   1

Hence, from the table we could observe that:

The number of values that fall into the class of 0.350-0.359 is: 2

( one value was 0.356 and the other was 0.358)

Answer 2

When putting data into a class for this case, 0.350 - 0.359, they should be within the class boundaries. The class boundaries are 0.3495 and 0.3595. So, the data that will go into that class are 0.356 and 0.358. The record 0.349 is not included since it is below 0.3495. Therefore, there are only two values in the class.


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