I'm having the WORST time trying to figure this out - PLEASE PLEASE PLEASE HELP ME!!

Table 1. Raw Frequencies of Occupational categories by Nationality

Occupation Nationality Row Marginals

Russian Ukrainian Latvian

Professional 20 10 20 50

Blue-collar 15 30 10 55

Farmer 5 10 30 45

Column Marginals 40 50 60 150

Assumptions: __________________

State your Research and Null Hypothesis: _________________

Selecting the Sampling distribution and Specify the Test Statistic: __________________

Compute the Test Statistic: ___________________________

Show your work:

Make a Decision and Interpret the Results: _______________________

b)

(lambda)= ____________.

Show your work: