Question

The data shows the number of years that 30 employees worked for an insurance company before retirement.
is the population mean for the number of years worked, and
% of the employees worked for the company for at least 10 years. (Round off your answers to the nearest integer.)
Employee Number Years Worked
1 8
2 13
3 15
4 3
5 13
6 28
7 4
8 12
9 4
10 26
11 29
12 3
13 10
14 3
15 17
16 13
17 15
18 15
19 23
20 13
21 12
22 1
23 14
24 14
25 17
26 16
27 7
28 27
29 18
30 24

Answer 1

So you want to know the mean number of years worked for the 30 employees?

Answer 2

i would like to know the population and the number of employees worked for the company for 10 years

Answer 3

\[\frac{ Sum~of~years~worked~for~all~employees }{ number~employees } = mean~number~of~years~worked\]

Answer 4

all you need to do is add up all the years worked for each employee and then divide by 30 to find the mean number of years worked.

Answer 5

what i am getting doesnt add up

Answer 6

@Yinshy can you help me with this

Answer 7

\[\frac{ 417 }{ 30 } = mean~years \]

Answer 8

okay how do i do the percentage of employees for the company for 10 years

Answer 9

You count the number of employees who have worked at least 10 years. that means the employee has to have worked there for 10 years or more.

Answer 10

@Photon336 thank you soooo much for all that