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Category > Business & Finance Posted 02 Jun 2017 My Price 11.00

FREQUENCY DISTRIBUTIONS, HISTOGRAMS, AND FREQUENCY POLYGONS

FREQUENCY DISTRIBUTIONS, HISTOGRAMS, AND FREQUENCY POLYGONS

Table 2.5 shows a frequency distribution of the weekly wages of 65 employees at the P&R Company. With reference to this table, determine:

(a) The lower limit of the sixth class.

(b) The upper limit of the fourth class.

(c) The class mark (or class midpoint) of the third class.

(d) The class boundaries of the fifth class.

(e) The size of the fifth-class interval.

(f) The frequency of the third class.

(g) The relative frequency of the third class.

(h) The class interval having the largest frequency. This is sometimes called the modal class interval; its frequency is then called the modal class frequency.

Wages

Number of

Employees

$250.00–$259.99

8

260.00–269.99

10

270.00–279.99

16

280.00–289.99

14

290.00–299.99

10

300.00–309.99

5

310.00–319.99

2

 

Total 65

(i) The percentage of employees earning less than $280.00 per week.

(j) The percentage of employees earning less than $300.00 per week but at least $260.00 per week.

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Status NEW Posted 02 Jun 2017 03:06 AM My Price 11.00

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