Assume that the distribution is normal. based on the, Ask an Expert

Statistics

For a particular sample of 56 scores on a psychology exam, the following results were obtained.

First quartile = 67 Third quartile = 91 Standard deviation = 9 Range = 48
Mean = 75 Median = 80 Mode = 81 Midrange = 74

Answer each of the following:

I. What score was earned by more students than any other score? Why?
II. What was the highest score earned on the exam?
III. What was the lowest score earned on the exam?
IV. According to Chebyshev's Theorem, how many students scored between 57 and 93?
V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 57 and 93?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9409277

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Assume that when adults with smartphones are randomly

Assume that when adults with smartphones are randomly? selected, 42?% use them in meetings or classes. If 7 adult smartphone users are randomly? selected, find the probability that at least 5 of them use their smartphone ...

Describe in detail each of four risk factors of holding a

Describe in detail each of four risk factors of holding a domestic bond. Your summary should convince the reader that you fully understand each risk factor.

New york graduates tend to leave the state after graduating

New York graduates tend to leave the state after graduating. A study asked the students of NYU "Are you planning to stay in NY after graduation?" In the sample, only 37% answered yes. The study explained that with a 95% ...

A calculus student takes a 20 question multiple choice test

A calculus student takes a 20 question multiple choice test with five answer choices for each question. Find the probability of getting atleast 70 percent of the question correct? Suppose a family has 5 children and that ...

For the dataset38 39 41 42 42 43 43 45 45 47 50 50 51 51 53

For the dataset 38, 39, 41, 42, 42, 43, 43, 45, 45, 47, 50, 50, 51, 51, 53, 54 Without doing any calculations, estimate which of the following numbers is closest to the mean.

1i which of the following characterizes a market ordera a

1) i. Which of the following characterizes a market order? a) A market order, which is considered a small order, is when 100 shares of a stock are ordered b) A market order is when the investor specifies the maximum pric ...

Two companies make instruments for bands company as product

Two companies make instruments for bands. Company A's product has a lifespan of 5 years and a standard deviation of 15 months. Compny B's product has a mean lifespan of 5 years and a standard deviation of 3 months. Which ...

David barnes and his fianceacutee valerie shah are visiting

David Barnes and his fiancée Valerie Shah are visiting Hawaii. There are 38 guests registered for orientation. It is announced that 20 randomly selected registered guests will receive a free lesson of the Tahitian dance. ...

A firm requires an investment of 18000 and will return

A firm requires an investment of $18,000 and will return $26,000 after one year. If the firm borrows $10,000 at 8% what is the return on levered equity?

Rachel age 65 has begun establishing many different trusts

Rachel, age 65, has begun establishing many different trusts. Of the following beneficiaries listed in her trusts, who would be considered a skip person for purposes of the GSTT? I. Adam, age 25, her new husband II. Bart ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert