A sample of n = 4 scores has a mean of M = 75. Find the z-score
Question:
A sample of n = 4 scores has a mean of M = 75. Find the z-score for this sample:
a. If it was obtained from a population with μ = 80 and σ = 10.
b. If it was obtained from a population with μ = 80 and σ = 20.
c. If it was obtained from a population with μ = 80 and σ = 40?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (8 reviews)
a M 5 points and ...View the full answer
Answered By
BETHUEL RUTTO
Hi! I am a Journalism and Mass Communication graduate; I have written many academic essays, including argumentative essays, research papers, and literary analysis. I have also proofread and written reviews, summaries and analyses on already finished works. I am eager to continue writing!
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Statistics For The Behavioral Sciences
ISBN: 9781111830991
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
Question Posted:
Students also viewed these Statistics questions
-
A random sample is obtained from a normal population with a mean of = 30 and a standard deviation of = 8. The sample mean is M = 33. a. Is this a fairly typical sample mean or an extreme value for...
-
Find each of the requested values for a population with a mean of = 40 and a standard deviation of = 8. a. What is the z-score corresponding to X = 52? b. What is the X value corresponding to z = -...
-
A sample of n = 4 scores has a mean of = 75. Find the z-score for this sample: a. If it was obtained from a population with = 80 and = 10. b. If it was obtained from a population with = 80 and =...
-
Tom Lamont, age 30, and Lin Lamont, age 31, have been married for six years. They got married right after Tom graduated from college. They have come to you for help in planning their financial...
-
The relationship Lf = Li (1 + T) is an approximation that works when the average coefficient of expansion is small. If is large, one must integrate the relationship dL/dT =L to determine the final...
-
Computerised accounting systems are used to record the day-to-day financial transactions of a business. They can also provide managers with information to assist with decision-making. Describe in...
-
Every tenth person entering a mall is asked to name his or her favorite store.
-
Suppose that in past years the average price per square foot for warehouses in the United States has been $32.28. A national real estate investor wants to determine whether that figure has changed...
-
What is the expected result of receiving new information concerning the recoverable reserves available for a current project? O The company would not revise the depletion rate on a current project. O...
-
Funtime, Inc., manufactures video game machines. Market saturation and technological innovations caused pricing pressures that resulted in declining profits. To stem the slide in profits until new...
-
For a population with a mean of = 80 and a standard deviation of = 12, find the z-score corresponding to each of the following samples. a. M = 83 for a sample of n = 4 scores b. M = 83 for a sample...
-
A population forms a normal distribution with a mean of = 80 and a standard deviation of = 15. For each of the following samples, compute the z-score for the sample mean and determine whether the...
-
Describe the relationship between correlation (or Pearsons r) and multiple regression.
-
Question 1 [40 marks] (a) Table 1 present experimental data related to the absorbance of two compounds over a range of concentration, in a UV-Vis cell with path length I = 1.0 cm. From this table:...
-
i. The following table presents data on wholesale gas prices for the major capital cities in the Eastern-half of Australia, from 2011-12 to 2022-23. Use this data to construct a single, time-series...
-
Problem 1 Using the same Fourier-Method approach as used in lecture, consider a beam loaded as shown below. 290 -q. Cos 280 x Shane land V-280 Distributed load w = =-80 . Cos[X] a. What are the...
-
Think about a Floor Warden training program for that company - and write me another email (attached here as a Word document) as if I were the leader of your organization to tell me about the...
-
A particle travels around the curve shown, following ? = ? 0 . 2 ? ? , ?with ? ( ? ) = 0 . 5 ? 2 rad. At the moment ? = ? , ?determine the speed and acceleration of the particle. ? = , ? ? ? = , ? ?...
-
If the given sequence is geometric, find the common ratio r. If the sequence is not geometric, say so. 1, 1 1 2'4' 1 8
-
Consider the advantages and disadvantages of extending property rights so that everyone would have the right to prevent people imposing any costs on them whatsoever (or charging them to do so).
-
For a population with a standard deviation of = 4, a score of X = 24 corresponds to z = -1.50. What is the population mean?
-
Find the z-score corresponding to X = 105 and the X value corresponding to z = +0.40 for each of the following populations. a. 5 100 and = 12 b. 5 100 and = 4 c. 5 80 and = 14 d. 5 80 and = 6
-
Find the X value corresponding to z = 0.75 for each of the following distributions. a. = 90 and = 4 b. = 90 and = 8 c. = 90 and = 12 d. = 90 and = 20
-
crane Inc. common chairs currently sell for $30 each. The firms management believes that it's share should really sell for $54 each. If the firm just paid an annual dividend of two dollars per share...
-
Determine the simple interest earned on $10,000 after 10 years if the APR is 15%
-
give me an example of 10 transactions from daily routine that we buy and put for me Liabilities + Owners' Equity + Revenues - Expenses
Study smarter with the SolutionInn App