Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Interpretation of standard z- scores using the given data.

Lewis earned 85 on his biology midterm and 81 on his history midterm. In the biology class the mean score was 79 with standard deviation 5. In history class the mean score was 76 with standard deviation 3.

a) Convert each midterm score to a standard z score.

b) On which test did he do better compared to the rest of the class?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919970

Have any Question? 


Related Questions in Statistics and Probability

Let x t be a poisson counting process with arrival

Let X( t) be a Poisson counting process with arrival rate,λ We form two related counting processes,   by randomly splitting the Poisson process X( t) In random splitting, the the arrival associated with X( t) will become ...

Statistics for decision making assignment-statistical

Statistics for Decision Making Assignment- Statistical Concepts: Probability Binomial Probability Distribution Calculating Binomial Probabilities - Open a new Excel worksheet. 1. Open spreadsheet 2. In cell A1 type "succ ...

In a certain lottery six numbers are randomly chosen from

In a certain lottery, six numbers are randomly chosen from the set   (without replacement). To win the lottery, a player must guess correctly all six numbers but it is not necessary to specify in which order the numbers ...

What are three assumptions for the evaluation of a

What are three assumptions for the evaluation of a correlation coefficient and three limitations?

An inventory model - a hot dog vendor operates a stand

An Inventory Model - A hot dog vendor operates a stand where the number of hot dogs he sells each day is modeled as a Poisson random variable with a mean value of 100. Let  represent the number of hot dogs the vendor has ...

The input to a linear filter is a random process with the

The input to a linear filter is a random process with the following autocorrelation function: The impulse response of the filter is of the same form and is Determine the autocorrelation function of the filter output for

Mr hood is a good archer he can regularly hit a target

Mr. Hood is a good archer. He can regularly hit a target having a 3-ft. diameter and often hits the bull's-eye, which is 0.5 ft. in diameter, from 50 ft. away. Suppose the miss is measured as the radial distance from the ...

Letnbspnbspbe a sequence of iid random variables with mean

Let   be a sequence of IID random variables with mean µ K  and variance   Form the sample mean process (a) Find the mean function  (b) Find the autocorrelation function

Q1 a local school board wanted to compare test scores on

Q1) A local school board wanted to compare test scores on standardized mathematics tests for 9 th grade students in 2 different junior high schools. A random sample of 10 students from school A and a random sample of 10 ...

A blackjack hand consists of 2 cards drawn from a 52-card

A blackjack hand consists of 2 cards drawn from a 52-card deck. The order in which the cards are drawn does not matter. (a) How many different blackjack hands are there? (b) In blackjack, the suit of the card is irreleva ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate