Find the sample standard deviation

Assignment Help Basic Statistics
Reference no: EM1322749

Estimating the sample standard deviation using normal score.

For a sample with a mean of M = 85, a score of X = 90 corresponds to z = 0.50. What is the sample standard deviation?

Reference no: EM1322749

Questions Cloud

Probability and z score of normal distribution : Scores on an endurance test for cardiac patients are normally distributed with mean = 182 and standard deviation = 24.
Determining the better internet browser : Which among the following is better software tool: Mozilla Firefox, Internet Explorer, or Google Chrome? Supplement your argument with evidence, and signify whether or not you alter your position based on the discussion.
Process of binomial distribution : A process follows the binomial distribution with n = 8 and p = .3. Find
Marginal product of the variable input would be increasing : Over which range of production, the marginal product of the variable input would be increasing in the short run.
Find the sample standard deviation : Estimating the sample standard deviation using normal score - Find the sample standard deviation?
Expense of agricultural in california and washington : Should the United States protect the teamsters at the expense of agricultural in California and Washington?
Computing the z scores for the given data : For a normal distribution, find the z-score value that separate the middle 90% of the distribution from the 10% in the tails.
What is the opportunity cost : Illustrate what is the opportunity cost (in civilian output) of a defense buildup that raises military spending
Probability regarding diet soda : If a woman purchases Super Cola, what is the probability that it is a diet soda?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that gas tank-s capacity is above the range

Determine the probability that gas tank's capacity is above 15.25 gallons?

  Creating scatterlpot and recognizing outliers

Create a scatterlpot of P_RFM and P_HELM. If drawing plot by hand, use graph paper to make sure accuracy. Be sure you label axes. After you have created the scatterplot, consider its form and direction. Recognize outliers, if any.

  Discover the sample size to estimate population mean

A company is interested in estimating μ, mean number of days of sick leave taken by its employees. The firm's statistician randomly selects 100 personnel files and notes the number of sick days taken by each employee.

  Estimating the individual score using normal distribution

Estimating the individual score using normal distribution - blood pressure higher than what amount?

  Legitimate probability distribution for this situation

What is the probability you pick a plum and Which of the following is a legitimate probability distribution for this situation

  Hypothesis test for difference in mean processing time

In past, mean processing time was 45 days.  At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?

  Fitting of simple linear regression equation

Fitting of simple linear regression equation - Given the student population for a school district over the past few years, find the prediction equation for this data.

  Least square regression model scatter diagram

Find the equation of least -squares line and plot the line on the scatter diagram of part (a)

  Sample size-population proportion

How many cans of paint should the sample contain if the researcher wants to be 98% certain of being within one percentage point of the true proportion of this chemical?

  Width of ninety five percent confidence interval for mean

For a sample of 138 independent observations from a normal distribution of unknown μ and variance σ 2  = 2.6, the sample mean is 52.3. What is the width of the 95% confidence interval for μ?

  What is the distribution of sample means

What is the distribution of sample means.

  Standard deviation of distribution

In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?

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