Question

The human resource group for a company collected data summarizing the educational levels and tenures of the​ company's employees. The results are in the accompanying data table.

None

AA

BA

MA

PhD

less than<1

year

10

2

50

22

10

​1-5 years

46

9

118

25

12

greater than>5

years

107

34

59

2

1

The different educational levels are no college degree​ (None), associate's degree​ (AA), bachelor's degree​ (BA), master's degree​ (MA), and PhD. The three levels of tenure are less than 1​ year, between 1 and 5​ years, and more than 5 years. Complete parts a and b below.

​a) Find the marginal distribution of the tenure.​ (Hint: Find the row​ totals.)

Complete the marginal distribution table.

Tenure	Frequency
<1 year
​1-5 years
>5 years

​b) Find the marginal distribution of the education level.

Complete the marginal distribution table.

Education	None	AA	BA	MA	PhD
Frequency

Answer 1

	None	AA	BA	MA	PhD	Row Total
<1 year	10	2	50	22	10	94
1-5 years	46	9	118	25	12	210
>5 years	107	34	59	2	1	203
Column Total	163	45	227	49	23	507

​a) Find the marginal distribution of the tenure.​ (Hint: Find the row​ totals.)

Complete the marginal distribution table.

​a) Find the marginal distribution of the tenure.​ (Hint: Find the row​ totals.) Complete the marginal distribution table. Tenure Frequency <1 year 94 ​1-5 years 210 >5 years 203 ​b) Find the marginal distribution of the education level. Complete the marginal distribution table. Education None AA BA MA PhD Frequency 163 45 227 49 23