A study regarding the relationship between age and the amount of pressure sales

Question

A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. At the 0.01 significance level, is there a relationship between job pressure and age? What is the expected frequency for each cell? show on chart Step 1- H_0: There is no relationship between age and degree of pressure H_1: There is _____ Step 2: State the level of significance: Step 3: State the test statistic Step 4: What is the Decision Rule? What is the test statistic critical value? Step 5: Perform the calculation and make a decision Step 6: Interpret the Result

Explanation / Answer

1)

2)H1) there is significant relationship between age and pressure

3)level of signfiicance =0.01

4)test statistic:is chi sqaure X2  as we will conduct chi square test of independence

5)Decesion rule: reject Ho if X2 >16.8119

6)

from above test stat X2 =2.1915

as test stat is less then critical value we can not reject null hypothesis.

7) we do not have sufficient evidence to conclude that age and pressure are related significantly

Expected E=rowtotal*column total/grand total low med high Total <25 19.440 20.400 20.160 60 25-40 45.360 47.600 47.040 140 40-60 58.320 61.200 60.480 180 >60 38.880 40.800 40.320 120 Total 162 170 168 500

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