Make a one-sentence managerial conclusion

Assignment Help Basic Statistics
Reference no: EM131025999

In the past, of all the students enrolled in "Basic Business Statistics," 10 percent earned A's, 20 percent earned B's, 30 percent earned C's, 20 percent earned D's, and the rest either failed or withdrew from the course.

Dr. Johnson is a new professor teaching "Basic Business Statistics" for the first time this semester.

At the conclusion of the semester, in Dr. Johnson's class of 60 students, there were 10 A's, 20 B's, 20 C's, 5 D's, and 5 W's or F's.

Assume that Dr. Johnson's class constitutes a random sample.

Dr. Johnson wants to know if there is sufficient evidence to conclude that the grade distribution of his class is different from the historical grade distribution.

If we assume at alpha = .05 that the null hypothesis is rejected, make a one-sentence managerial conclusion

*I need to know what equation use and the answer*

Reference no: EM131025999

Questions Cloud

Determine which two equations represent perpendicular lines : Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?
How does calculus relate to business in the real world : How does calculus relate to business in the real world?
Von neumann analysis stability : 3 part question (a, b, and c) for partial differential equations (diffusion/decay) and von Neumann analysis stability
Discuss an approach to resolving this ethical dilemma : What are Steve's obligations regarding preparation of an objective analysis in reporting results to Roberta? Refer back to the IMA Statement of Ethical Practice to structure your response.
Make a one-sentence managerial conclusion : the null hypothesis is rejected, make a one-sentence managerial conclusion - Dr. Johnson is a new professor teaching "Basic Business Statistics" for the first time this semester.
Guilty of committing a crime : Is Wilson guilty of committing a crime?If so what was the crime? Is Jones guilty of committing a crime? If so, what was the crime? Please explain.
How many of the 2500 calls were made by females : Leon drove 270 to the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10mph faster than Leon, how fast did each of them drive?
What is considered a liberal or conservative justice : Describe how one might efficiently and effectively research an area of law? What is considered a "liberal" or "conservative" justice, and how do they tend to vote on particular issues?
Prepare cohesive evidence-based proposal : Combine all elements completed in previous weeks into one cohesive evidence-based proposal - Obtain feedback from the leader you have selected and request verification using the Capstone Review Form. Submit the signed Capstone Review Form to.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence-interval for the population mean

A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence, what is the confidence interval for ..

  It is desired to estimate the mean time of continuous use

it is desired to estimate the mean time of continuous use until a wireless router will first required service. if it

  Proportion of the tubes filled beyond capacity

In this continuous production process, the amount of toothpaste put in a tube is normally distributed with a mean of 8.17 ounces and a standard deviation of 0.12 ounces. If the actual capacity of the tubes used is 8.49 ounces, what proportion of t..

  Give a brief explanation of the meaning of the coefficient

Compute the sample correlation coefficient r. Compute the coefficient of determination. Give a brief explanation of the meaning of the coefficient of determination in the context of this problem.

  Expected value of buying raffle ticket

The symphony sells raffle tickets each year to raise money. Assume they sell 2000 tickets and the tickets cost $100 each.

  Name and specify the distribution of defective products in

dizio tv company has recently invested in manufacturing processes to enhance the quality of their products. in testing

  Suppose that the proportion of fatal single-car accidents

suppose that the proportion of fatal single-car accidents that involve alcohol consumption on the part of the drive is

  The probability that an automobile being filled with

the probability that an automobile being filled with gasoline also needs an oil change is 0.25 the probability that it

  What is the null hypothesis and expected value

A sociologist wanted to determine whether there was a difference in the amount of time children aged 5-7 spent watching tv. what is the null hypothesis? Find the expected value.

  Suppose telephone calls arrive at an emergency hotline at a

suppose telephone calls arrive at an emergency hotline at a rate of 5 per hour and you begin monitoring calls at time

  Find value of critical test statistic-level of significance

If the goal is to test whether less than 75% of the flights depart on time, what is the value of the critical test statistic at the 10% level of significance?

  Suppose x the number of flaws in a roll of polyethylene

suppose x the number of flaws in a roll of polyethylene insulated cable follows a poisson process where ? is 1.1 flaws

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd