Find the level of significance. State the null and alternative hypothesis. Identify the tail of test.

Question

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Answer 1

Question

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

(e)

To determine

Interpret the conclusion in the context of the application.

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20 km, because GISS Worksheet 10 Jesse runs a small business selling and delivering mealie meal to the spaza shops. He charges a fixed rate of R80, 00 for delivery and then R15, 50 for each packet of mealle meal he delivers. The table below helps him to calculate what to charge his customers. 10 20 30 40 50 Packets of mealie meal (m) Total costs in Rands 80 235 390 545 700 855 (c) 10.1. Define the following terms: 10.1.1. Independent Variables 10.1.2. Dependent Variables 10.2. 10.3. 10.4. 10.5. Determine the independent and dependent variables. Are the variables in this scenario discrete or continuous values? Explain What shape do you expect the graph to be? Why? Draw a graph on the graph provided to represent the information in the table above. TOTAL COST OF PACKETS OF MEALIE MEAL 900 800 700 600 COST (R) 500 400 300 200 100 0 10 20 30 40 60 NUMBER OF PACKETS OF MEALIE MEAL

Let X be a random variable with support SX = {−3, 0.5, 3, −2.5, 3.5}. Part ofits probability mass function (PMF) is given bypX(−3) = 0.15, pX(−2.5) = 0.3, pX(3) = 0.2, pX(3.5) = 0.15.(a) Find pX(0.5).(b) Find the cumulative distribution function (CDF), FX(x), of X.1(c) Sketch the graph of FX(x).

Answer 2

Question

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

(e)

To determine

Interpret the conclusion in the context of the application.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

(e)

To determine

Interpret the conclusion in the context of the application.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

(e)

To determine

Interpret the conclusion in the context of the application.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

(e)

To determine

Interpret the conclusion in the context of the application.

Answer 6

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

Answer 7

Chapter 8.4, Problem 9P

(a)

To determine

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

Answer 8

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

Answer 9

(b)

To determine

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

Answer 10

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

Answer 11

(c)

To determine

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

Answer 12

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

Answer 13

(d)

To determine

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

Answer 14

(e)

To determine

Interpret the conclusion in the context of the application.

Answer 15

(e)

To determine

Interpret the conclusion in the context of the application.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Find the level of significance. State the null and alternative hypothesis. Identify the tail of test.

Solution Summary: The author states the null and alternative hypothesis and the tail of the test.

Videos

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.

Interpret the conclusion in the context of the application.

Want to see the full answer?

Chapter 8 Solutions

Find the level of significance. State the null and alternative hypothesis. Identify the tail of test.

Solution Summary: The author states the null and alternative hypothesis and the tail of the test.

Videos

Find the level of significance. State the null and alternative hypothesis. Identify the tail of test.

Identify the sampling distribution to be used. Mention the assumption to test. Find the value of the sample test statistic. Find the t value.

Find the P-value. Draw the sampling distribution by showing the area corresponding to the P-value.

Check whether the null hypothesis is rejecting or fail to reject. Identify whether the data statistically significant at level 0.05 or not.

Interpret the conclusion in the context of the application.

Want to see the full answer?

Chapter 8 Solutions

Find the level of significance.

State the null and alternative hypothesis.

Identify the tail of test.

Identify the sampling distribution to be used.

Mention the assumption to test.

Find the value of the sample test statistic.

Find the t value.

Find the P-value.

Draw the sampling distribution by showing the area corresponding to the P-value.

Check whether the null hypothesis is rejecting or fail to reject.

Identify whether the data statistically significant at level 0.05 or not.