What score was earned by more students than any other score

Assignment Help Basic Statistics

Reference no: EM13240619

For a particular sample of 50 scores on a psychology exam, the following results were obtained.

First quartile = 52 Third quartile = 84 Standard deviation = 10 Range = 66

Mean = 79 Median = 78 Mode = 81 Midrange = 65

Answer each of the following; show all work.

- What score was earned by more students than any other score? Why?

- What was the highest score earned on the exam?

- What was the lowest score earned on the exam?

- According to Chebyshev's Theorem, how many students scored between 59 and 99?

- Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 69 and 89?

Reference no: EM13240619

Questions Cloud

What is the preferred method of approach : A manufacturer can typically process 176-264 devices a given period of concern. In this situation the processing event is either pass or fail.

Describe historical and political conditions of cold war era : Describe the historical and political conditions of the Cold War era. Explain the specific threats to American citizens. Describe the preparations you would make to protect your family. Conclude with one question for further study on the Cold War era

What will be the magnitude of force on this second charge : If a second point charge of ?3.0 nC is placed at the location where you calculated the electric field in part (a), what will be the magnitude of the force on this second charge due to the field of the first

Balance the redox reaction reaction under basic conditions : Complete and balance the following redox reaction reaction under basic conditions: CrO4^2-(aq) + SO3^2- ? Cr(OH)3(s) + SO4^2-(aq).

What score was earned by more students than any other score : Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 69 and 89?

Assuming everyone i ask says east how does the probability : Assuming everyone I ask says East, how does the probability change with the sample size? In other words, how is the probability different if 50 out 50 women say East instead of 5 out of 5 women?

Explain what is the theoretical density of material a+b : Given non pourous material A having a density of 2.35 and non pourous material B having a density of 2.41 what is the theoretical density of material A+B when there is 75 weight % of material A and 25 weight % of material B when combined

Find the displacement in going from base camp to the top : A mountaineer uses a global positioning system receiver to measure his displacement from base camp to the top of Mount McKinley, what is the displacement in going from base camp to the top

Estimate the percent that did not have any dental expense : Shaver Manufacturing, Inc., offers dental insurance to its employees. A recent study by the human resource director shows the annual cost per employee per year followed the normal probability distribution, with a mean of $1,280 and a standard deviati..

User Account

All Pages