User Account

All Pages

Sample standard deviation

Assignment Help Basic Statistics
Reference no: EM131061375

H0 : μ = 400

H1 : μ ≠ 400

A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level:

a. State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.)

Reject H0 when the test statistic is outside the interval (,).

b. Compute the value of the test statistic. (Round your answer to 3 decimal places.)

Reference no: EM131061375

Questions Cloud

Develop key elements of inventory management control system : Review and outline key elements of your supply chain inventory management controls. Develop key elements of your inventory management control system and the overall objectives with regard to your role and business unit. Summarize the advantages and..
Estimate the percent of the total pressure drop across tray : Minimum total cross-sectional area of riser, direction-reversal space in cap, or annular cap space = 15 percent of tower cross-sectional area
Independent-samples t-tests : Why are paired t-tests more powerful than independent-samples t-tests?
Define your selected company supply chain design : Create a 10- to 15-slide PowerPoint presentation. Use bullet points and speaker's notes to discuss the following: Define your selected company's supply chain design. Describe the strengths and weaknesses of the design
Sample standard deviation : A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level:
Analyze the data on inaccurate prescriptions : What about the statistical consultant you hired to analyze the data on inaccurate prescriptions - How to Teach Others to Apply Statistical Thinking
Estimate the necessary tower diameter and the pressure drop : The gas density is 0.075 lb/ft3. The liquid density is 55 lb/ft3. The viscosity of the oil is 20 centipoises. Under these conditions, estimate the necessary tower diameter and the pressure drop through the tower as inches of water per foot of pack..
Represents the p-value shaded : (a) Does the population have to be normally distributed to test this hypothesis by using the methods presented in this section? Why? (b) If = 48.3 and s = 8.5, compute the test statistic. (c) Draw a t-distribution with the area that represents the ..
Determine the approximate number of american adults : According to recent research from the PewFoundation, 91% of all American adults have cell phones of some type. Use the statistics given to determine the approximate number of American adults who would find giving up their phone more difficult than..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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