Outline the tally and frequency distribution.
1) A telephone company surveyed 12 households to find out how numerous telephones there were per household. Whole frequency distribution table below utilizing the following survey results
2, 5, 4, 3, 4, 3, 1, 3, 3, 2, 3, 4
Number of telephones (x)

Tally

Frequency (f)

1



2



3



4



5



1) Which result takes place most frequently?
2) A local convenience store owner records how many customers enter the store over a 25day period. The results are as follows:
20, 21, 23, 21, 26, 24, 20, 24, 25, 22, 22, 23, 21, 24, 21, 26, 24, 22, 21, 23, 25, 22, 21, 24, 21
Finish the following frequency distribution
Number of customers (x)

Tally

Frequency (f)

20



21



22



23



24



25



26



Total



a) Are these discrete or else continuous variables?
b) Which result takes place most frequently?
c) describe what conclusions can you draw from the tables? describe.
3) Fifty (50) operate members of a construction company were surveyed to find out what their weekly salary was to the nearest dollar. The results are as follows
514, 476, 497, 511, 484, 513, 471, 470, 441, 466, 443, 481, 502, 528, 459, 548, 521, 517, 463, 478, 473, 514, 542, 519, 522, 523, 546, 487, 486, 473, 527, 470, 440, 564, 499, 523, 484, 463, 461, 437, 555, 525, 461, 539, 466, 470, 486, 490, 543, 519
a) Setup a frequency distribution table as indicated below utilizing the wrap around method for the classes (the upper limit of one class becomes the lower limit of the next class).
b) Select the appropriate
Weekly salary (x)

Tally

Frequency (f)































Total


50

c) Which class interval takes place most frequently?
d) describe what conclusions can you draw from the tables? describe.
HINT It is you best interest to display your calculations so that I can trace calculation errors if necessary
Construct histogram for the above frequency distribution table