What is the population standard deviation

Assignment Help Basic Statistics
Reference no: EM1318125

Estimating Standard deviation based on Z score.

A population of scores has p = 44. In this population, an X value of 40 corresponds to z = - 0.50. What is the population standard deviation?

A. 2
B. 4
C. 8
D. 6

Reference no: EM1318125

Questions Cloud

Calculation of probability and normal distribution : Calculation of Probability - Normal Distribution - find the probability that a randomly selected employee
About snmp : What do you understand by the term SNMP? Explain the role which SNMP plays in managing the networks.
Find the following conditional probabilities : Find the following conditional probabilities.
Improving the speed of e-mails : Insurance, a multi million-dollar life insurance firm, has asked you to help troubleshoot the network at its corporate headquarters.
What is the population standard deviation : A population of scores has p = 44. In this population, an X value of 40 corresponds to z = - 0.50. What is the population standard deviation.
Determining critical value for left-tailed test : Using standard normal table, show critical value for left-tailed test with α = 0.02.
Impact to decisions made about company : Find out three key ratios that should be employed when evaluating the financial performance of company, indicating what information this will reveal to an analyst and the impact to decisions made about the company.
Sum of array elements : Provided an array of ints named x and an int variable named total which has already been described, write down some code which places sum of all the elements of the array x into total.
Find how any different passwords are possible : Find how any different passwords are possible.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Administrator providing the course material

Suppose it costs $25 per student for the administrators to provide the course materials.

  Least-cost shipping schedule

Using What's Best! (or Solver) determine the least-cost shipping schedule, where each of three (3) hardware vendors provide up to two hundred (200) units and each of six (6) buyers demand one hundred (100) units.

  Florida state university administers a mathematics

Florida State University administers a mathematics placement test to students where they 1st enter the university.

  Hypothesis test for single factor-anova

Complete the table and answer the following questions. Use the .05 significance level.

  Probability that person will fall in book keeping category

One person's file is chosen at random. Find out probability that selected person will fall into following categories. Book keeping.

  Determining standard deductions with standard deviation

Survey of 16 tax returns reports families with incomes between $75,000 and 100,000 have on average $8,562 in Standard Deductions with the standard deviation of $1,800.

  What is the probability of the given problem

Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.

  Determining the critical path

In optimal solution, determinethe critical path?

  Sample standard deviations

The sample size  n , the sample means, and the sample standard deviations for the two groups are given below.

  Probability that the age of a randomly selected ceo

To find out the probability that the age of a randomly selected CEO. The average age of CEOs is 56 years. Suppose the variable is normally distributed.

  Hypothesis testing for population mean

The null hypothesis is that there was no change in average liquor consumption. State this formally in terms of µ.

  Finding regression equation

If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee? How can you tell?

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