TSU Theory Statistics Option 4 TSU

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TSU Theory Statistics Option 4 TSU TSU Theory Statistics Option 4 TSU TSU Theory Statistics Option 4 TSU TSU Theory Statistics Option 4 TSU TSU Theory Statistics Option 4 TSU


As a result, a sample survey of workers, machine operators (5% nonrepeated sample) were obtained the following information:

Number of working
in order Wages
Monthly
thous. rub. Work experience,
years
1 1.4 7
2 1.5 24
3 1.6 23
4 1.8 18
5 1.1 14
6 1.2 33
7 1.3 14
8 1.4 4
9 1.3 18
10 1.2 10
11 1.2 12
12 1.3 22
13 1.8 10
14 1.9 33
15 1.8 1
16 1.1 18
17 1.1 7
18 1.9 1
19 2.0 32
20 1.1 3
21 1.6 11
22 1.8 24
23 1.7 26
24 1.4 16
25 1.3 16

A statistical analysis of the data.

For this purpose:

I.

1. Build a statistical distribution number of workers by wage levels, forming 4 groups with equal intervals.

Plot number distribution.

2. Calculate the number of characteristics of the distribution of workers by wage levels: the arithmetic mean, the average linear deviation, variance, coefficient of variation. In calculating the arithmetic mean and standard deviation using the method of moments.
Draw conclusions.

II.

1. With a probability of 0.977, determine the sampling error average wage worker pieceworker and borders, which will be the average salary in the population.
2. With a probability of 0.954, determine the error proportion of workers whose wages exceed 1500 rubles. And the border, which will be the proportion in the population.
Draw conclusions.

Additional information

TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU
TSU Theory Statistics Option 4 TSU

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