Ci for a population mean

Assignment Help Basic Statistics
Reference no: EM131725911

Calculate the minimum sample size required to construct a 98% CI for a population mean if the population standard deviation is thought to be about 7.553 and the with of the interval is to be no more than 1.2.

Reference no: EM131725911

Questions Cloud

Discuss the nonverbal communication : Students must describe the environment and the people being observed, i.e., age, gender, dress, etc. Discuss the nonverbal communication.
What caused the perceived need for the law or change in law : What caused the perceived need for the law or change in the law?If laws were passed was the goal they intended to achieve reached?
Margin of error in half : When making a CI for a mean, by what factor must you increase the sample size in order to cut the margin of error in half?
Discuss environmental problems we face in the world today : Discuss environmental problems we face in the world today. Problems include: Air and water pollution, global warming, species and ecosystem biodiversity.
Ci for a population mean : CI for a population mean if the population standard deviation is thought to be about 7.553 and the with of the interval is to be no more than 1.2.
How researchers could conduct a double-blind experiment : Echinacea is an herb that may help to prevent colds and flu. Explain how researchers could conduct a double-blind, double-dummy experiment to compare.
Calculate the minimum sample size required : Calculate the minimum sample size required to construct a 95% CI for a population mean if the population standard deviation.
How data would collected in prospective observational study : A teacher wants to determine how class attendance during the term affects grades on the final exam.
Management in gathering information : Two methods used to assists management in gathering information on what customers need, expect and how satisfied they are with the service.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Suppose that the lengths of the slots are normally

then lengths of a certain component are normally distributed with a mean of 250 mm and a standard deviation of .6mm.

  An inspector is looking for nonconforming wells in the

an inspector is looking for nonconforming wells in the gasolinepipeline between phoenix and tucson. the probability

  Mean square error

What does mean square treatment (MSTR) measure? What does mean square error (MSE) measure? Suppose that you want to perform a one - way ANOVA to compare the mean losses among the three types of robberies. What conditions are necessary?  How crucia..

  Poisson distribution with parameter

1. Let X have a Poisson distribution with parameter 0. Assume that the unknown O is a value of a random variable 0 that has a gamma distribution with parameters IX = r and fJ = (1 -p)/ p, where r is a positive integer and 0 p 1.

  State the null and alternative hypotheses

Calculate the mean, median, mode, range, and standard deviation of the adjusted daily closing price for this stock. Interpret these statistics and discuss their relevance. Is the mode useful? Why or why not - Conduct a hypothesis test to see if the..

  Information of chi square test for goodness of fit

A group of department store buyers viewed a new line of dresses and gave their opinions of them. The results are below: Because the largest number (47) indicated the new line is outstanding, the head designer thinks that this is a mandate to go in..

  National organization serving nurses

The American Society of PeriAnesthesia Nurses (ASPAN; www.aspan.org) is a national organization serving nurses practicing in ambulatory surgery, preanesthesia, and postanesthesia care. The organization's membership is listed below.

  Negative-edge-triggered flip-flop

Write a Verilog description for a JK negative-edge-triggered flip-flop with clock CLK. Compile and simulate your description. Apply a sequence that causes all eight combinations of inputs J and K and stored value Q to be applied in some clock cycle..

  The dataset length.jmp contains a simple random sample

The dataset Length.jmp contains a simple random sample of 50 stainless steel sheet metal screw from Crown Bolt

  A biologist considered studying the effects

a. How many factors are involved? How many levels are there for each factor? How many trials will be required for a single replicate of the experiment? Can a test for lack of fit be obtained?

  Find critical value to set up decision rule to test claim

If the level of significance is 0.05, what is critical value to set up the decision rule to test the claim that the liberal arts students perform better than engineering students on average?

  Four outcomes of a random experiment

A decision maker subjectively assigned the following probabilities to the four outcomes of a random experiment P(E1)=.10 P(E2)=.15 P(E3)=.40 P(E4)=.20, Are these probability assignment valid? Explain.

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