Question: Students A and B took tests on probability in two different sections of prestatistics. Student A scored 89 points on a test with mean 74

Students A and B took tests on probability in two different sections of prestatistics. Student A scored 89 points on a test with mean 74 points and standard deviation 7 points. Student B scored 78 points on a test with mean 66 points and standard deviation 4 points.
a. Find the z-score for Student A’s test score. What does it mean in this situation?
b. Find the z-score for Student B’s test score. What does it mean in this situation?
c. Which student did relatively better? Explain.

Step by Step Solution

★★★★★

3.47 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a For Student A Student As score was 214 standard dev... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

708-M-S-P (5678).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Two different sections of a statistics class take the same surprise quiz and the scores are recorded below. Find the range and standard deviation for each section. What do the range values lead you...

What is the z score for a grade of 89? What is the z score for a grade of 90? What is the z score for a grade of 93? What is the z score for a grade of 67? What is the z score for a grade of 74?...

Compute the Z score for Giant Motors Corporation (GMC) given the following information for year-end 2012: At what share price would GMC have a Z score equal to 3.00? How does the future look for GMC?...

ni gnirossi ni fiolmos bra fasisini sisdi ole or belles ban quedam siriqargomob ni gangflib aloodoe mol 10 enoughosob sonsmola i oldm gniwollot ofT .noimulia ross In Class-Practice with Central...

(b) Consider the points scored by the Maine Red Claws. (Round your answers to two decimal places.) What is the average of points scored? : What is the standard deviation? : What is the shape of the...

Please help me find the solutions. Research Title words) - 5 points 2. Introduction and Literature Review (max.) - 40 points 2.1. The Problem and Purpose of the Research (5 points) 2.2. The...

Student scores on exams given by a certain instructor have mean 74 and standard deviation 14. This instructor is about to give two exams, one to a class of size 25 and the other to a class of size...

1. What is the area under the normal curve between z = 0.0 and z = 1.79? a. 0.4633 b. 0.0367 c. 0.9599 d. 0.0401 Answer: _____ 2. The mean score of a college entrance test is 500; the standard...

the exam. B Question 13 1 pts If an entire population with u = 60 and o - 8 is transformed into z-scores, then the distribution of z-scores will have a mean of __ and a standard deviation of 60 and 8...

1. Which of the following statements are TRUE about the normal distribution? Check all that apply. C] The mean corresponds to the z-score of 1. C] Az-score is the number of standard deviations a...

Based on a one-factor model, security A has a sensitivity of - .50, whereas security B has a sensitivity of 1.25. If the covariance between the two securities is -312.50, what is the standard...

How long will it take an RRSP to grow to $700,000, if it takes in month-end contributions of $1000 and it earns: a. 6% compounded monthly? b. 7% compounded monthly? c. 8% compounded monthly? d. 9%...

which of the following statements is incorrect ( least correct ) ? 'The preemptive right is important because it protects existing shareholders against dilution of their ownership risks; if a share...

Think about your own experience with elementary and secondary education. How was your education made available to you? What were the good aspects of it? What needed improving?

The Consumer Confidence Index published at the end of each of the past 20 months showed the following consumer confidence levels: 87, 89, 88, 91, 88, 90, 86, 87, 91, 90, 86, 91, 90, 87, 88, 88, 89,...

Apex Company reports the number of customer complaints it received during the past 21 days as follows: 0, 2, 8, 0, 3, 0, 1, 2, 0, 3, 3, 0, 1, 1, 2, 0, 1, 0, 2, 1, 2 a. Show the data in a relative...

Twenty American cities were rated on a scale of 1 to 5 for general livability by the American Board of Real Estate Brokers. The ratings (without the city labels) are shown below: 1, 5, 2, 4, 5, 4, 3,...

Hello I need to find this using excel please AAA Corp. is comparing two different capital structures. Plan I would result in 12,700 shares of stock and $100,050 in debt. Plan II would result in 9800...

Consider the Finapres data from Recall that the blood pressure of babies was measured using two different methods. The question being asked is about the mean difference between the two measures taken...

People use several methods to keep track of appointments, meetings, and deadlines. Some of these are using a desk calendar, using informal notes of scrap paper, keeping them in your head, using a day...