Describe each set of data with a histogram

Reference no: EM13127519

"10.50 At a large university, a mathematics placement exam is administered to all students. Samples of 36 male and 30 female students are randomly selected from this year's student body and the following scores are recorded:
Male 72 68 75 82 81 60 75 85 80 70
71 84 68 85 82 80 54 81 86 79
99 90 68 82 60 63 67 72 77 51
61 71 81 74 79 76
Female 81 76 94 89 83 78 85 91 83 83
84 80 84 88 77 74 63 69 80 82
89 69 74 97 73 79 55 76 78 81

a. Describe each set of data with a histogram (use the same class intervals on both histograms) the mean, standard deviation.
b. Construct 95% confidence interval for the mean score for all male students. Do the same for all Female Students.
c. Do the results found in part b show that the mean scores for males and females could be the same? Justify your answer. Be Careful!
d. Construct a 95% confidence interval for the difference between the mean scores for the male and female students.
e. Do the results found in part d show the mean scores for the male and females students could be the same? Explain
f. Explain why the results in part b cannot be used to draw a conclusion about the difference between the two means.
g. Analyze the problem and type a short summary (1-2 paragraphs) of the results.

Reference no: EM13127519

Questions Cloud

Budget managers in an organization : Write a memo in 3 pages to the budget managers in an organization, assuming you are the CEO. Your memo should direct budget managers not to utilize this approach, but also offer a logical rationale, and perhaps an alternative solution.

Determining decision tree analysis : The management of Cecilia First Bank was concerned about the potential loss that might occur in the even of a physical catastrophe such as a power failure or fire.

What volume would be occupied by the co2 produced : If the temperature in the laboratory is 22.3oC and the atmospheric pressure is 0.931 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?

Discriminant of quadratic equation and parabola : How many solutions exist for aquadratic equation? explain. How do we determine whether the solutions are real or complex?

Describe each set of data with a histogram : Describe each set of data with a histogram (use the same class intervals on both histograms) the mean, standard deviation.

Influence the victims of an incident of domestic violence : Write a one-page paper (5 paragraphs) explaining how your moral beliefs and values would influence your response to the victim of an alleged incident of domestic violence; and your response to the alleged perpetrator of that incident. the actions you..

What is the volume (in l) of a balloon : The density of helium gas at 273K and 1.00 atm is 1.76E-4 g/mL. What is the volume (in L) of a balloon containing 9.24 g of helium under the same conditions?

Internal control dictating client personnel : An internal control dictates client personnel sign all copies of sales invoices as evidence of having agreed the price to the Master Price List.

Explain how might management minimize the impairment loss : Is this ever discussed by management in the financials? Explain how might management minimize the impairment loss if one is reported? Consider the two steps of the process for determining impairment.

User Account

All Pages