What is the standard error of the mean x

Assignment Help Mathematics
Reference no: EM131554954

Question: 1. A random sample of size 49 was selected; the resulting sample standard deviation s = 7.829. Suppose the confidence interval formed for ? was 63

[a] What is the sample mean x ?

[b] What is the standard error of the mean X ?

Reference no: EM131554954

Questions Cloud

Targeted weighted average cost of capital : What debt-equity ratio is needed for the firm to achieve their targeted weighted average cost of capital?
Calculate year-to-year percentage annual growth in net sales : Determine the year-to-year percentage annual growth in total net sales. Analyze statements and then answer four questions listed in the assignment description.
Profit- maximizing price and output levels : It's demand curve for the product is expressed as Q= 5000- 25P where Q is the number of vacuum cleaners per year and P is in dollars.
Define a hypthosis statement and its importance : In a 500-750 word essay, define a hypthosis statement and its importance in validating a research study
What is the standard error of the mean x : A random sample of size 49 was selected; the resulting sample standard deviation s = 7.829. Suppose the confidence interval formed for ? was 63.
Confidence interval based on this new information : We will say the standard error in this case is 2. If the z-score is 1.96, calculate a 95% confidence interval based on this new information.
Installation of governors on cars : Gamma Corporation is considering the installation of governors on cars driven by its sales staff. These devices would limit the car speeds to a preset level
How should they reallocate their investment : A recently retired couple need $12,000 per year to supplement their Social Security. They have $150,000 to invest to obtain this income.
Major sustainability goals of organization : Explain what, if any, sustainability requirements does the organization set for its suppliers - Visit the Forbes list of "The World's Most Innovative Companies".

Reviews

Write a Review

Mathematics Questions & Answers

  Questions on ferris wheel

Prepare a Flexible Budget Gator Divers is a company that provides diving services such as underwater ship repairs to clients in the Tampa Bay area.

  Logistic map

This assignment has two question related to maths. Questions are related to bifurcation cascade and logistic map.

  Finding the probability of cards

This assignment has questions related to probabiltiy.

  Systems of ode

Find all the xed points, and study their stability and Draw the phase portrait of the system, as well as the graphs of the solutions in all relevant cases.

  Derive the boolean expression

Derive the Boolean Expression and construct the switching circuit for the truth table stated

  System of equations

Evaluate which equations are under-identified, just-identified, and over-identified.

  Linear programming problem

Linear programming problem consisting of only two constraints with one objective function.

  Find the natural domain

Find the natural domain of the given functions.

  Introduction to numerical methods

Compute the coecients of the polynomials using the term recurrence relation.

  Chart of the topological manifold

De?nition of smoothness of functions on a smooth manifold is chart independent and hence geometric.

  Mathematics in computing

Questions related on mathematics in computing.

  Complex problems

Complex problems

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