User Account

All Pages

Group of students and the expected value

Assignment Help Basic Statistics
Reference no: EM131061970

A study of 600 college students taking Statistics 101 revealed that 54 students received the grade of A. Typically 10% of the class gets an A. The difference between this group of students and the expected value is not significant at the 0.05 level. What does this mean in this case?

A. The probability that the difference occurred due to chance is less than 0.05.

B. The probability of getting an A is 10% and only 9% got an A in this  study. The difference is less than 5% so it is not significant.

C. There is not enough information to make any conclusion.

D. The probability that the difference occurred due to chance is more than 0.05.

Reference no: EM131061970

Questions Cloud

Determine the force p required to move the cabinet to right : the largest allowable value of h if the cabinet is not to tip over.
Review the information on america''s health rankings website : Review the information on America's Health Rankings website for Arizona. Keeping all of the elements of health literacy in mind (language barriers, numeracy, reading comprehension, tone, and verbiage), write a press release/news article for the ge..
Generate a specified number of solid colour square : COSC1519 Introduction to Programming - Define a function createSquareTile(numTiles, prefix) which generates a specified number of solid colour square tile pictures with the size and colour of each picture specified by the user.
Find the area under the standard normal curve : 1) Find the area under the standard normal curve that lies between z = -2.4 and z= 1
Group of students and the expected value : A study of 600 college students taking Statistics 101 revealed that 54 students received the grade of A. Typically 10% of the class gets an A. The difference between this group of students and the expected value is not significant at the 0.05 leve..
Express in terms w and r the magnitude of the largest couple : The cylinder shown is of weight W and radius r. Express in terms W and r the magnitude of the largest couple M that can be applied to the cylinder if it is not to rotate,
Compute the mean annual percent increase in net sales : From 1982 to 2003 the net sales for the J.M Smucker company increased from $157 million to $687 million compute the mean annual percent increase in net sales.
International psychologist about ways to redesign : What advice would you give to the international psychologist about ways to redesign this study that might improve the chances of detecting an effect of noise on the verbal learning task?
Determine the magnitude of the couple m : The hydraulic cylinder shown exerts a force of 3 kN directed to the right on point B and to the left on point E. Determine the magnitude of the couple M required to rotate the drum clockwise at a constant speed.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Suppose that the number of days of sick leave taken by

for a particular company the number of sick days used by employees had a mean of 7 and a standard deviation of 2.a. a

  A population proportion is to be estimated estimate the

a population proportion is to be estimated. estimate the minimum sample size needed to achieve the specified margin of

  Data collection process

A part of our research design is the data collection process. We often do this by sampling. Differentiate between random and nonrandom sampling methods.

  Measuring a particular protein level in blood

A diagnostic kit (for measuring a particular protein level in blood) can be used to test 16 blood samples. To check for kit-to-kit consistency the manu­ facturer tested the blood from 16 patients with two different kits. The data are recorded in..

  Fit both linear and an exponential trend to the data

Fit both linear and an exponential trend to the data. (d) Which model is preferred? Why? (e) Make a forecast for 2003, using a trend model of your choice (or judgments forecast).

  Probability related to songs

What is the probability that the first and the last ones on the EP are the relationship songs?

  Find the standard error of the estimate

Determine the coefficient of determination, r2, and interpret its meaning. Find the standard error of the estimate. How useful do you think this regression model is for labor hours?

  Given a sample size of 25 with sample mean 7362 and sample

given a sample size of 25 with sample mean 736.2 and sample standard deviation 82.3 we perform the following hypothesis

  Suppose heights of adults measured in inches are normally

suppose heights of adults measured in inches are normally distributed with mean 70 inches and standard deviation 10

  Research questions for correlational-chi-square designs

A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection. Be very specific in your presentation.

  Percentage of women who meet height requirement

A survey found that women's heights are normally distributed with mean 63.6 in and standard devistion 2.5 in. a branch of the military requires women's heights to be between 58 in and 80 in. What is the percentage of women who meet the height requ..

  What is the probability that the sample proportion of

the president of doerman distributors inc. believes that 30 of the firms orders come from first-time customers. arandom

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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