RES 341 WEEK 5 DQ 3 WAGES FROM A STATISTICAL STANDPOINT, WAS THERE A TYPE ERROR MADE (A+ Guaranteed)

RES/341 WEEK 5 DQ 3 WAGES

A significance test is used to prevent a machine from under filling or overfilling quart bottles. On the basis of a sample, the null hypothesis is rejected and the machine is shut down for inspection. A thorough examination reveals that there is nothing wrong with the filling machine. From a statistical standpoint, was there a type error made? If yes, which type? Explain.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 5 DQ 3 WAGES (A+ Guaranteed)

RES/341 WEEK 5 DQ 3 WAGES

A significance test is used to prevent a machine from under filling or overfilling quart bottles. On the basis of a sample, the null hypothesis is rejected and the machine is shut down for inspection. A thorough examination reveals that there is nothing wrong with the filling machine. From a statistical standpoint, was there a type error made? If yes, which type? Explain.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 5 DQ 2 WAGES DISCUSS THE CONCLUSION AS A TYPE I ERROR, A TYPE II ERROR (A+ Guaranteed)

RES/341 WEEK 5 DQ 2 WAGES

A man on trial is accused of murder in the first degree. The prosecutor presents evidence that he hopes will convince the jury to reject the hypothesis that the man is innocent. This situation can be modeled as a significance test with the following hypotheses:

Ho: The defendant is innocent.

H1: The defendant is not innocent.

Suppose that the null hypothesis is rejected and that an alternate hypothesis is accepted. Discuss the conclusion as a type I error, a type II error, or a correct decision—if in fact the defendant is innocent.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 5 DQ 2 WAGES (A+ Guaranteed)

RES/341 WEEK 5 DQ 2 WAGES

A man on trial is accused of murder in the first degree. The prosecutor presents evidence that he hopes will convince the jury to reject the hypothesis that the man is innocent. This situation can be modeled as a significance test with the following hypotheses:

Ho: The defendant is innocent.

H1: The defendant is not innocent.

Suppose that the null hypothesis is rejected and that an alternate hypothesis is accepted. Discuss the conclusion as a type I error, a type II error, or a correct decision—if in fact the defendant is innocent.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 5 DQ 1 WAGES WHY CAN THE NULL HYPOTHESIS NOT BE PROVED (A+ Guaranteed)

RES/341 WEEK 5 DQ 1 WAGES

Suppose that you perform a significance test regarding a population mean and that the evidence does not warrant rejection of the null hypothesis. When formulating the conclusion to the test, why is the phrase fail to reject the null hypothesis more accurate than the phrase accept the null hypothesis? Why can the null hypothesis not be proved? Explain.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 5 DQ 1 WAGES (A+ Guaranteed)

RES/341 WEEK 5 DQ 1 WAGES

Suppose that you perform a significance test regarding a population mean and that the evidence does not warrant rejection of the null hypothesis. When formulating the conclusion to the test, why is the phrase fail to reject the null hypothesis more accurate than the phrase accept the null hypothesis? Why can the null hypothesis not be proved? Explain.

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 4 DESCRIPTIVE STATISTICS PAPER (TEAM PAPER) WAGE AND WAGE EARNERS (A+ Guaranteed)

RES/341 WEEK 4 DESCRIPTIVE STATISTICS PAPER (TEAM PAPER) WAGE AND WAGE EARNERS

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 4 E TEXT-INDIVIDUAL ASSIGNMENT TEACHER (A+ Guaranteed)

RES/341 WEEK 4 E TEXT-INDIVIDUAL ASSIGNMENT TEACHER

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 4 QUIZ 2 (A+ Guaranteed)

RES/341 WEEK 4 QUIZ 2

1. Decide if the situation presented below contains a potential for bias. If it does, tell what the form of bias is, and how it can be prevented:

2. Define, in your own words, the meaning of standard deviation.

3. What is the median height on this team?

4. The pie chart below shows the comparative restaurant sales in the town of Springfield. Give 2 reasons why this chart is a bad idea. What would be a better way of presenting the data?

5. What is the correct way to interpret this confidence interval?

Click here for the SOLUTION

Posted in Homework Help | Comments Off

RES 341 WEEK 4 QIUZ (A+ Guaranteed)

RES/341 WEEK 4 QIUZ

1. A population is:

a. An element from which the data is collected.

b. A complete set of units of analysis under study.

c. A subset of units of analysis from a sample.

d. A physical representation of sampling units.

2. A sample is:

a. A unit from which the data is collected.

b. The complete set of units of analysis under study.

c. A physical representation of sampling units.

d. A subset of units of analysis from a population.

3. The levels of measurement are:

a. Nominal, ordinal, interval, ratio.

b. Binomial, multinomial, normal.

c. T-test, z-test, chi-square, and F-test.

d. None of the above.

4. Examples of ratio measurement are:

a. Counts of physical objects.

b. Sales and costs.

c. Sales, costs, and counts of physical objects.

d. None of the above.

5. Which of the following is an example of nominal measurement?

a. Degrees on a thermometer

b. Ranking of different size apples

c. Sales dollars

d. Numbers on baseball players

6. Suppose the probability you will get a grade of A in this class is 0.25 and the probability you will get a B is 0.50. What is the probability your grade will be above C?

a. 0.125

b. 0.75

c. 0.075

d. 0.625

Click here for the SOLUTION

Posted in Homework Help | Comments Off