Developing percent frequency distribution

Assignment Help Basic Statistics

Reference no: EM1312457

Q1) There are 1800 students in School of Business Administration. There are 4 majors in School: Accounting, Finance, Management, and Marketing. Following illustrates the number of students in each major:

Major	#Students
Accounting	740
Finance	260
Management	620
Marketing	180

Develop percent frequency distribution and construct bar chart and pie chart.

Q2) Assume the manufacturer of Advil, common headache remedy, newly developed new formulation of drug that is claimed to be more effective. To estimate the new drug, sample of 200 current users is asked to try it. After one-month trial, 180 pointed out new drug was more efficient in relieving a headache. At same time sample of 300 current Advil users is given current drug but told it is the new formulation. From this group, 261 said it was an improvement. At the .05 significance level can we conclude that the new drug is more effective?

Reference no: EM1312457

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