User Account

All Pages

Find standard deviation of sample of measurements

Assignment Help Basic Statistics
Reference no: EM13133372

A sample of 12 measurements has a mean of 40 and a standard deviation of 3.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 40 each. Find the standard deviation of the sample of 14 measurements.

Reference no: EM13133372

Questions Cloud

What would use for the null hypothesis : Suppose that you want to set up a statistical test to challenge the claim of 6.7 seconds. What would you use for the null hypothesis?
Analyze the punishment or consequence : Analyze the punishment or consequence that was given to the CPA and determine whether you are in agreement the punishment fit the violation.
Linear and nonlinear cost function : What is the difference between linear and nonlinear cost function? Give an example of each type of cost function?
Discuss how this increase in ownership affects the account : Discuss how this increase in ownership affects the accounting for and reporting upon the investment in Broome. Include in your discussion adjustments.
Find standard deviation of sample of measurements : Enlarged to 14 measurements, by including two additional measurements having a common value of 40 each. Find the standard deviation of the sample of 14 measurements.
Linear and nonlinear cost function : What is the difference between linear and nonlinear cost function? Give an example of each type of cost function?
What major disadvantage of this method : Delmar Corporation is considering the use of residual income as a measure of the performance of its divisions. What major disadvantage of this method should the company consider before deciding to institute it?
Unit normal vector : Let vector r(t) = t i + t^2 j represent a plane curve. Find T(t), T(1) and N(1). Sketch the plane curve and graph the vectors T(1) and N(1) at the point t = 1.
What is the no3- concentration in 10ml of the dilute soln : When 7 mL of a solution containing 3 M KNO3 is diluted to 21mL, a dilute solution is formed. What is the NO3- concentration in 10mL of the dilute solution?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval-students compare to national sample

A sample of 30 students are tested (sample mean=58, standard error=3.2). Compute a 99 percent confidence interval based on this sample's data. How do these students compare to the national sample?

  Describe forecasting methods using in real-life

Describe how a domestic fast food chain with plans for expanding into China would be able to use a forecasting model.

  Null and alternative hypotheses of drugstore

Drugstore was the first e-commerce company to offer Internet drugstore retailing. Drugstore.com customers were provided the opportunity to buy health, beauty, personal care, wellness, and pharmaceutical replenishment products over the Internet.

  Minimize total expected cost

Determine the test sequence that minimizes the total expected cost of testing an item. Prove that your proposed sequence is optimal in minimizing the total expected cost of testing an item.

  Normally distributed random variable problem

X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)

  Five steps of hypothesis testing

Describe the five steps of hypothesis testing. Compare Type I and Type II errors and give specific examples for each. Which error should be minimized the most and first?

  Confidence-interval for average number of minutes

A study of 35 professors showed that the average time they spent creating test questions was 13.5 minutes per question. The standard deviation of the population is 3.8. Which of the following is the 99% confidence interval for the average number o..

  Test claim of mean cotinine level of all smokers

Assuming that = 119.5 ng.ml, test the claim that the mean cotinine level of all smokers is equal to 200.0 ng/ml. Use a 0.05 significance level.

  Evaluate the p-value of the anova f test

The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test

  Create confidence interval estimate of mean age

Data follow. Use Excel to create the 90% confidence interval estimate of mean age of all of this magazine's subscribers.

  Computation of critical value of f test in excel

Find the critical value for a two tailed F-test with alpha=.05 when the sample size from which the variance for the numerator was obtained was 21 and the sample size from which the variance for the denominator was obtained 12

  Using chi-square table finding the p-value

Using Chi-square table finding the P-value and interpret the result

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd