1.Domestic workers claim that they earn an average of N$ 1 010 per month. To verify this claim, the Labour Commissioner considered a random sample of 50 of them. A sample mean of N$ 1 090 with a standard deviation of N$ 300 was found. At the 0.01 level, is there evidence that there has been a change in the average salary of domestic workers. 13.2) State the alternative hypotheses a.Ha : Population Mean is greater than N$ 1 090 b.Ha : Population Mean is less than N$ 1 010 c.None of the provided 2. Domestic workers claim that they earn an average of N$ 1 010 per month. To verify this claim, the Labour Commissioner considered a random sample of 50 of them. A sample mean of N$ 1 090 with a standard deviation of N$ 300 was found. At the 0.01 level, is there evidence that there has been a change in the average salary of d
1.Domestic workers claim that they earn an average of N$ 1 010 per month. To verify this claim, the Labour Commissioner considered a random sample of 50 of them. A sample mean of N$ 1 090 with a standard deviation of N$ 300 was found. At the 0.01 level, is there evidence that there has been a change in the average salary of domestic workers.
13.2) State the alternative hypotheses
2.
Domestic workers claim that they earn an average of N$ 1 010 per month. To verify this claim, the Labour Commissioner considered a random sample of 50 of them. A sample mean of N$ 1 090 with a standard deviation of N$ 300 was found. At the 0.01 level, is there evidence that there has been a change in the average salary of domestic workers.
13.3) Select the suitable test (sample) statistic
3.
Domestic workers claim that they earn an average of N$ 1 010 per month. To verify this claim, the Labour Commissioner considered a random sample of 50 of them. A sample mean of N$ 1 090 with a standard deviation of N$ 300 was found. At the 0.01 level, is there evidence that there has been a change in the average salary of domestic workers.
13.4) Select the suitable critical value for the decision rule
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