Question

In: Statistics and Probability

Conduct a hypothesis test with a 5% level of significance on the claim that the average...

Conduct a hypothesis test with a 5% level of significance on the claim that the average annual salary for a registered nurse in the state of Washington in 2017 was $55,000. Plainly state your null and alternative hypothesis, what type of test you are using, and why.

Data:

61000, 57700, 120100, 8500, 55200,

53000, 40700, 48800, 33800, 50100,

40900, 56300, 56100, 34600, 2100,

42600, 2400, 48600, 21300, 52600,

87900, 29700, 43300, 33200, 41500,

47600, 79100, 38300, 8500, 112000,

10100, 79100, 13900, 68000, 37000,

45100, 41500, 41900, 14500, 42500

Solutions

Expert Solution


Related Solutions

A hypothesis test with a 5% level of significance is designed to test the claim that...
A hypothesis test with a 5% level of significance is designed to test the claim that the mean weight of a new breed of chickens is greater than 6.00 pounds. A sample of 81 chickens is obtained and their mean weight is 6.20 pounds with a sample standard deviation of 0.50 pounds. No information is available concerning the standard deviation of the whole population of the new breed. What is the critical value (from Table A-3) and the test statistic...
We would like to conduct a hypothesis test at the 5% level of significance to determine...
We would like to conduct a hypothesis test at the 5% level of significance to determine whether hockey players weigh more on average than baseball players. We record the weights of a random sample of 12 professional hockey players and 7 professional baseball players. Weights of athletes in both sports are known to follow normal distributions. Some summary statistics are given below: Sport n x s d Baseball 7 187.571 7.72 Hockey 12 195.583 18.39 Based on the data, we...
A 0.01 significance level is used for a hypothesis test of the claim that when parents...
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 78 girls in 169 ​births, so the sample statistic of six thirteenths results in a z score that is 1 standard deviation below 0. Complete parts​ (a) through​ (h) below. A . Identify the null hypothesis and the alternative hypothesis. Choose the...
A 0.01 significance level is used for a hypothesis test of the claim that when parents...
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 78 girls in 169 births, so the sample statistic of 6/13 results in a z score that is 1 standard deviation Complete parts (a) through (h) below a. identify the null hypothesis and alternative hypothesis. b. what is the value of a?...
A 0.05 significance level is used for a hypothesis test of the claim that when parents...
A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is less than 0.5. Assume that sample data consists of 78 girls in 169 ​births, so the sample statistic of six thirteenths results in a z score that is 1 standard deviation below 0. Complete parts​ (a) through​ (h) below. Identify the null hypothesis and the alternative hypothesis. What is the value...
A 0.1 significance level is used for a hypothesis test of the claim that when parents...
A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is less than 0.5. Assume that sample data consists of 78 girls in 169 ​births, so the sample statistic of six thirteenths results in a z score that is 1 standard deviation below 0. -What is the null hypothesis and alternative hypothesis -what is the value of alpha -what is the sampling...
A 0.1 significance level is used for a hypothesis test of the claim that when parents...
A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is greater than 0.5. Assume that sample data consists of 66 girls in 121 births, so the sample statistic of 6/11 results in a z score that is 1 standard deviation above 0. Complete parts​ (a) through​ (h) below. a. Identify the null hypothesis and the alternative hypothesis. b.what is the value...
A 0.1 significance level is used for a hypothesis test of the claim that when parents...
A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is greater than 0.5. Assume that sample data consists of 45 girls in 81 ​births, so the sample statistic of five ninths results in a z score that is 1 standard deviation above 0. Complete parts​ (a) through​ (h) below. A. Identify the null hypothesis and the alternate hypothesis B. What is...
A 0.1 significance level is used for a hypothesis test of the claim that when parents...
A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is greater than 0.5. Assume that sample data consists of 66 girls in 121 ​births, so the sample statistic of six elevenths results in a z score that is 1 standard deviation above 0. Complete parts​ (a) through​ (h) below. Identify the null hypothesis and the alternative hypothesis. What is the value...
A 0.01 significance level is used for a hypothesis test of the claim that when parents...
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender? selection, the proportion of baby girls is less than 0.5. Assume that sample data consists of 66 girls in 144 ?births, so the sample statistic of StartFraction 11 Over 24 EndFraction results in a z score that is 1 standard deviation below 0. Complete parts? (a) through? (h) below. Click here to view page 1 of the Normal...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT