Question

Using the data down and interpret 95% confidence intervals for the mean age of an American truck driver.   This data represents a random sample of drivers in America. There are about 3.5 million truck drivers in the USA.

Find:1- Sample Standard Deviation. 2- Sample Mean. 3- Sample size. 4- Standard error of the mean. 5-T-value. 6- Interval half-width. 7-Interval lower limit. 8- Interval upper limit  .

Please use this data.

Truck Drivers
Employee	Gender	Age	Total education years
1	M	30	12
2	M	65	10
3	M	48	13
4	M	57	12
5	M	60	12
6	M	48	9
7	M	47	12
8	M	59	12
9	M	52	12
10	M	34	10
11	M	25	12
12	M	53	10
13	M	53	12
14	M	42	8
15	M	31	12
16	M	22	10
17	M	46	10
18	M	35	12
19	M	66	8
20	M	74	12
21	M	57	13
22	F	40	12
23	M	65	9
24	M	50	12
25	F	72	12
26	M	49	14
27	M	58	12
28	M	40	8
29	M	50	12
30	M	80	5
31	M	22	10
32	M	70	10

Answer 1