What does a z-score measure

Assignment Help Basic Statistics
Reference no: EM131643770

Question: What does a z-score measure? What does standardizing a normal distribution do to the mean? Is X ~ N(0, 1) a standardized normal distribution? Why or why not? What is the z-score of x = 12, if it is two standard deviations to the right of the mean? What is the z-score of x = 9, if it is 1.5 standard deviations to the left of the mean?

Reference no: EM131643770

Questions Cloud

Define how lessons from nursing history will impact : How lessons from nursing history will impact your future nursing practice
Calculate the first- and third-quartile scores for the exam : Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean µ = 81 points and standard deviation s = 15 point
Explain how this essential will be used to improve quality : explain how this Essential will be used to improve quality in your future professional nursing career
Discuss pros of increasing drug dose with client at the time : Discuss pros/cons of increasing drug dose with client at this time and empower the client to be part of the decision.
What does a z-score measure : What does a z-score measure? What does standardizing a normal distribution do to the mean? Is X ~ N(0, 1) a standardized normal distribution? Why or why not?
Define what is the next best action by the apn : what is the next best action by the APN. What would be your initial treatment and management plan
Prepare the june bank reconciliation : The company's bank statement shows a balance on June 30 of $19,279. Prepare the June bank reconciliation, in proper format, for the Harley Company
Review problem related to the normal distribution : About what percent of x values from a normal distribution lie within one standard deviation (left and right) of the mean of that distribution?
Steve jobs shared vision project management style : Steve Jobs Shared Vision Project Management Style

Reviews

Write a Review

Basic Statistics Questions & Answers

  Original square length from area

If the sides of the square are lengthened by 5cm, the area becomes 144cm^2. Find the length of a side of the original square.

  Probability calculation for binomial variable

The past history shows that 60% of employees prefer Starbucks brand coffee. A sample of 5 employees is selected, what is the probability that less than 3 prefer Starbucks?

  Whether given would be likely if you were to take a sample

Explain whether each of the following would be likely if you were to take a sample of 190 students from the original population.- The mean hours of sleep for the 190 students would be between 8 and 9 hours.

  Describe the scale of measurement of income

Describe the scale of measurement of Income

  State the null and alternative hypotheses for the test

Step 1 of 5:  State the null and alternative hypotheses for the test. Step 2 of 5:  Find the value of the standard deviation of the paired differences. Round your answer to one decimal place.

  Information about statistical inference

Describe a hypothesis upon which the manufacturer might wish to conduct a test concerning the relative effectiveness of the new fertilizer.

  Unique factorization prime-co-prime

Prove that a and b are coprime if and only if no prime numbers divides both a and b. Show that [a,m] = m if and only if a divides m

  Population mean weight of non-athlete

At the 5% level of significance, can we infer that the population mean weight of athletic men is lower than the population mean weight of non-athletic men by more than 2 pounds?

  Prime and composite numbers

What is a prime number, and why are prime numbers important? What do you call a number that is not prime? What is the largest prime number ever found?

  Computing probability values for the given data

A random sample of 100 students at Southern University was collected. The mean age was found to be 24.2 years, with a standard deviation of 3.4 years.

  Confidence interval and the number

Determine the point estimate of the population proportion, the margin of error for the following confidence interval and the number of individual in the same with the specified characteristics, x for the sample size provided.

  Create the first compiler for language x

Compilers are almost always written in C. This raises something of a "chicken and egg" problem-how was the first C compiler for a particular system created? If you need to create the first compiler for language X on system Y, one approach is to cr..

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!

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