# Health Insurance Coverage Statistics Homework

*label*Mathematics

*timer*Asked: Jan 30th, 2019

*account_balance_wallet*$15

### Question Description

- Do questions 11 and 13 (attached)

- __SHOW ALL WORK__

- Must be typed

**Tags:**Statistics homework Business statistics Stataistics Health Insurance Coverage Insurance Statistics Health Insurance Homework Health Insurance Questions Homework

## Tutor Answer

here is your assignment. As told , i will submit your assignment much before deadline.Kindly ask if you have any query.

Q11.

(a)

The hypotheses of testing are:

H 0 : The health insurance coverage is independent of the size of the company.

H 1 : The health insurance coverage is not independent of the size of the company

The following cross tablulations have been provided. The row and column total

have been calculated and they are shown below:

small

Medium

Large

Total

Yes

36

65

88

189

No

14

10

12

36

Total

50

75

100

225

The expected values are computed in terms of row and column totals. In fact, the formula

Ri C j

Cj

is Eij =

, where Ri corresponds to the total sum of elements in row i ,

T

corresponds to the total sum of elements in column j, and T is the grand total. The table

below shows the calculations to obtain the table with expected values:

Expected

Values

Small

Medium

Large

Total

Yes

50*189/225 = 42

75*189/225 = 63

100*189/225 = 84

189

No

50*36/225 = 8

75*36/225 = 12

100*36/225 = 16

36

...

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