Compute standard normal z-score corresponding to value

Assignment Help Basic Statistics
Reference no: EM13108270

A random sample of n = 64 observations is drawn from the population with mean equal to 20 and standard deviation equal to 16. a. Give mean and standard deviation of (repeated) sampling distribution of x. b. Explain the shape of sampling distribution of x. Does the answer depend on sample size? C. Compute standard normal z-score corresponding to value of x = 16. d. Compute standard normal z-score corresponding to value of x = 23. e. Determine P(x < 16). F. Determine P(x > 23). G. Determine P(16 < x < 23).

Reference no: EM13108270

Questions Cloud

Non-parametric tests in business decision-making : What are various non-parametric tests utilized in business decision making? Give an example of each test with an appropriate business situation.
Non-parametric method sign test exercise : Are stock splits beneficial to stockholders? SNL Securities studied stock splits in the banking industry over an 18-month period and found that stock splits tended to increase the value of an individual stock holding.
Parametric and nonparametric data identification : A catering company is buying equipment in order to set up their own store. They have a choice of two ovens that they can purchase for the store.
Which of the following might contribute to the existence : Which of the following might contribute to the existence of a sexual double standard within hook-up culture on college campuses?
Compute standard normal z-score corresponding to value : Compute standard normal z-score corresponding to value of x = 23. e. Determine P(x 23). G. Determine P(16
Discussion on open innovation approach : How might businesses use the Internet to identify untapped customer needs through open innovation? What do you see as the major advantages and disadvantages of the open innovation approach?
Advantages of non-parametric methods : Discuss the advantages of non-parametric methods. As an educator, how would they be useful to you? In what situations would you use them?
Find diff between null and alternative hypotheses statements : What is the difference between the null and alternative hypotheses statements in one-tailed and two-tailed tests? What are significance/alpha levels andhow doesusing aone versus a two tailed test affect significance levels?
Nonparametric test hypothesis : Here is my data: these are the wages for women with a 2 yr degree, $11,702, $24,509, $34,746, $35,185 (median of $29,627) These are the wages for women with a 4 yr.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistical problem assistance

Professor Brunner had students in his Marketing class rate his performance as Excellent, Good, Fair, or Poor. A graduate student collected the ratings and assured the students that Professor Brunner would not receive them until after the course gr..

  Advantage of a randomized experiment

What is the advantage of a randomized experiment in which the investigators randomly assign treatment conditions to subject over an observational study in which the subject self-select the treatment groups?

  Finding at least five left-handers out

The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?

  Statistics-factor analysis

Describe a research problem that would benefit from Factor Analysis. What are the variables and what would you hope to achieve?

  Probability of the events related to environment

The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?

  Expected profit contribution

A pharmaceutical company has determined that if a new cholesterol-reducing drug is manufactured (introduced to the market) the following probability distribution will describe this drug's contribution to the company profits during the next six mon..

  T test for independent groups-t test for matched groups

Outline the difference between the t test for independent groups and the t test for matched groups. A researcher computed the F ratio for a four-group experiment.The computed F is 4.86. The degrees of freedom are 3 for the numerator and 16 for the ..

  Testing instructor-s claim at level of significance

Exam is given to 20 randomly chosen students and their average length of t time needed to finish exam was 54 minutes with standard deviation of 5.99 minutes. Test instructor's claim at the 0.05 level of significance.

  Compute which assembly time using the new method is faster

The management of White companies considering a new method of assembling its golf cart. Compute which assembly time using the new method is faster.

  Evidence of difference in the median performance

Is there evidence of a difference in the median performance between the two methods? (Use x = 0. 05).

  Explanatory variable and response variable

In a recent study, a random sample of children in grades two through four showed a significant negative relationship between the amount of homework assigned and student attitudes. What is the explanatory variable and what is the response variable?

  Confidence using the p-value approach

The sample yielded a mean content of 19.88 ounces with a standard deviation of 0.35 ounces. At 95% confidence using the p-value approach, test the hypothesis.

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