Assignment:
The numbers of texts sent by 25 13-year-olds over the past month were as follows:
|
630 516 892
|
643
|
627
|
510
|
937
|
909
|
654
|
817 760 715
|
605
|
975
|
888
|
912
|
952
|
701
|
744 793 852
|
504
|
562
|
670
|
685
|
|
|
a. Construct a frequency distribution using classes of 500 up to 600,600 up to 700, etc.
b. Construct the relative frequency distribution, the cumulative frequency distribution and the relative cumulative frequency distribution.
c. How many of the 13-year-olds sent at least 600 but less than 700 texts? How many sent less than 800 texts?
d. What percent of the 13-year-olds sent at least 500 but less than 600 texts? What percent of the 13-year-olds sent less than 700 texts?
e. Construct a polygon. Comment on the shape of the distribution.
Provide complete and step by step solution for the question and show calculations and use formulas.