Question

In: Statistics and Probability

Many people feel that cereal is healthier alternative for children over glazed donuts. Table #8.3.5 contains...

Many people feel that cereal is healthier alternative for children over glazed donuts. Table #8.3.5 contains the amount of sugar in a sample of cereal that isgeared towards children ("Healthy breakfast story," 2013) Estimate the mean amount of sugar in children cereal using a 95% confidence level.

Table #8.3.5: Sugar Amounts(g) in Children’s Cereal

10

14

12

9

13

11

12

15

9

10

11

3

6

12

15

12

Expert Solution

Confidence level estimate of the population mean :

n : sample size :19

x : amount of sugar in a sample of cereal

Sample mean :

Sample standard deviation :

S.No.	x: Sugar Amounts(g) in Children’s Cereal	x-	(x-)²
1	10	-1.1579	1.3407
2	14	2.8421	8.0776
3	12	0.8421	0.7091
4	9	-2.1579	4.6565
5	13	1.8421	3.3934
6	13	1.8421	3.3934
7	13	1.8421	3.3934
8	11	-0.1579	0.0249
9	12	0.8421	0.7091
10	15	3.8421	14.7618
11	9	-2.1579	4.6565
12	10	-1.1579	1.3407
13	11	-0.1579	0.0249
14	3	-8.1579	66.5512
15	6	-5.1579	26.6039
16	12	0.8421	0.7091
17	15	3.8421	14.7618
18	12	0.8421	0.7091
19	12	0.8421	0.7091
Total	212		156.5263
Mean: 212/19=	11.1579

Sample Size : n	19
Degrees of freedom : n-1	18
Confidence Level :	95
= (100-95)/100	0.05
/2	0.025
	2.1009

95% confidence level Estimate of the mean amount of sugar in children cereal

95% confidence level Estimate of the mean amount of sugar in children cereal = (9.7366, 12.5792)

orchestra answered 3 years ago

Thomas’s Donuts sells three types of donuts: sugar-glazed, cream-filled and giant-sized. The following table shows the...

Thomas’s Donuts sells three types of donuts: sugar-glazed, cream-filled and giant-sized. The following table shows the sales price and variable cost for each type. Thomas’s incurs $211,680 a year in fixed costs. Assume that the store has a sales mix of three sugar-glazed, two cream-filled, and one giant-sized. Type Sales Price Variable Cost Contribution Margin Sugar-glazed $0.46 $0.30 $0.16 Cream-filled 0.62 0.34 0.28 Giant-sized 0.78 0.38 0.40 How many donuts of each type will be sold at the breakeven point?...

Currently the U.S. national debt is over $20 Trillion. Many people feel the high level of...

Currently the U.S. national debt is over $20 Trillion. Many people feel the high level of the national debt is a very bad thing and it should be paid off. 1. Explain what would be involved in paying off the national debt. 2. List and explain 3 approaches to getting the money to eliminate the national debt. Include the impacts each approach would have on the U.S. economy. 3. State which approach you would use to get the money. Why...

7. Currently the U.S. national debt is over $20 Trillion. Many people feel the high level...

7. Currently the U.S. national debt is over $20 Trillion. Many people feel the high level of the national debt is a very bad thing and it should be paid off. a. Advantages of paying off the national debt. i. Explain what would be involved in paying off the national debt. ii. List and explain in detail, 3 advantages of paying off the national debt. b. Disadvantages of paying off the national debt? i. List and explain in detail, 3...

scenario: Currently the U.S. national debt is over $23 Trillion. Many people feel the high level...

scenario: Currently the U.S. national debt is over $23 Trillion. Many people feel the high level of the national debt is a very bad thing and it should be paid off. d. State which approach you would use to get the money. Why did you select the approach that you selected and not the alternatives? e. Thoroughly and completely explain how your approach would work to eliminate the national debt, and explain the impact your solution would have on at...

Many people seek alternative and complementary medical therapies for their cancer.

Many people seek alternative and complementary medical therapies for their cancer. Should insurance companies cover the cost of treatments that people believe to be effective but for which no evidence exists to support this belief? Why or why not?

On the global scene, many people feel as if foreign assistance which is supposed to be...

On the global scene, many people feel as if foreign assistance which is supposed to be a target at population health, should not be given to countries with known histories of abuse and having corrupt governments. Others do not see value in withholding aid since it is believed to be the only form of influence available. What is the rationale for each of these views? Where do you fall on the issue?

Enhancing your creativity: While most companies value creative people, many people do not feel creative or...

Enhancing your creativity: While most companies value creative people, many people do not feel creative or have not used their creative talents in a long time. This project will help you focus on creativity and bring it into your everyday life. There are two parts to the project. 1) Discuss why creativity is an important part of decision-making. 2) Research two sources that describe how to become more creative. After reading these sources, describe five things you could do to...

Many people feel the federal minimum wage of $7.25 is too low, and a minimum wage...

Many people feel the federal minimum wage of $7.25 is too low, and a minimum wage closer to $9 is more appropriate. List three arguments for raising the federal minimum wage OR three arguments against raising the federal minimum wage. I would like two arguments to be from the notes, and one to be your own argument. Please make the case, rather than just provide bullet points.

At what age should workers be requested to stop working? Many people still feel that 65...

At what age should workers be requested to stop working? Many people still feel that 65 is a good retirement age, others argue for 70. Even others argue that there should be no age restrictions on working. What do you think? As many people grow older, they become more interested in keeping busy through work. Some employers fear loss of productivity from older workers. A few are fearful that older workers using machinery may be a danger to themselves as...

The following table contains cholesterol levels of 32 people. Determine if the sample comes from a...

The following table contains cholesterol levels of 32 people. Determine if the sample comes from a population that is normally distributed. Draw a histogram, identify potential outliers, and draw the normality plot. 160 200 172 196 170 181 190 185 210 180 162 184 185 212 186 182 260 175 203 181 190 203 184 193 199 160 210 204 198 188 201 190