Reference no: EM13106983
You have noticed that more primary children are becoming obese and physical fitness has been terminated in the elementary schools. To provide evidence that reducing physical activity in the schools results in increased weight gain, you study 16 randomly selected non-obese children for 8-weeks. The following data are the weights of each child prior to the termination of physical activity and 8 weeks after the termination.
Student Weight before Weight after
1 70.4 61.7
2 73.6 58.8
3 82.1 66
4 75.2 66.2
5 64.5 79
6 75.3 82.3
7 75.0 74.3
8 74.0 59.3
9 58.3 79.1
10 72.1 66
11 76.3 73.4
12 73.5 76.9
13 72.1 93.1
14 68.9 63
15 69.8 68.2
16 91.4 60.3
State the null and alternative hypotheses.
Using the test statistic, degrees of freedom and p-value, what can you conclude about the null hypothesis?
What is the 95% confidence interval of the difference?
Interpret the 95% confidence interval using the context of this problem.
Using the output, elaborate on the conclusion you made about the hypothesis (hint: use the descriptive statistics to discuss your findings).
What are two other plausible explanations of the results?
What would your recommend to the Board of Education and why?
Illustrate what type of team would work beat in situation
: Illustrate what type of team would work beat in this situation? Support your answer with concept from the text that applies to this proposed venture.
|
How organization use different components of marketing mix
: Select an organization with which you are familiar. How does your selected organization use the different components of the marketing mix?
|
Explain why is it important to understand the parts of a gcu
: Explain why is it important to understand the parts of a GCU assignment? Explain how does properly reading an assignment help you schedule your study time? Express any concerns or difficulties you had during this module.
|
Development of students infringe on rights of parents
: Must teachers be involved in character development of students or does this infringe on rights of parents? Explain the current church/state debate as part of your discussion.
|
Detailed explanation to paired t test
: State the null and alternative hypotheses. Using the test statistic, degrees of freedom and p-value, what can you conclude about the null hypothesis? What is the 95% confidence interval of the difference? Interpret the 95% confidence interval using t..
|
Analyzing an organizational structure
: How would you go about analyzing an organizational structure in terms of creating a work breakdown structure? What are the major organizational characteristics that you would evaluate? Provide an example to support your response.
|
Calculate the costs associated with level production
: Henderson Furniture sells reproductions of 18th century furniture. For a particular table, the following information is valid. Month.
|
Explain how many observations should the manager take
: estimate is that the tellers are idle 30 percent of the time. Explain how many observations should the manager take in order to be 95 percent confident that the results will not be more than 2.5 percent away from the true result?
|
Dependent sample t test
: A nutritionist heard on the radio an amazing new diet drink that if taken at bedtime you will lose weight as you're sleeping. To top it off you can eat anything you want because the diet fuel will burn it off.
|