Determine population average-confidence interval

Assignment Help Basic Statistics
Reference no: EM1319603

What percentage of hospitals provides at least some charity care? Based on a random sample of hospital reports from eastern states, the following information was obtained (units in percentage of hospitals providing at least some charity care.

57.1

56.2

53.0

66.1

59.0

64.7

70.1

64.7

53.5

78.2

Use a calculator with mean and sample standard deviation keys to verify that x = 62.3% and s = 8.0%. Find a 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.

Reference no: EM1319603

Questions Cloud

Determining the probability the mean of sample : Suppose the manufacturers claim is right, determine the probability the mean of sample is 47,840 miles or less?
Given transactions for journalization on stock issue : Prepare journal entries for the transactions listed above. Prepare an updated Dec 31st trial balance, reflecting the unrecorded transaction-Prepare a multiple-step income statement for the year ending Dec 31st. Prepare a retained earnings statement f..
Objective questions based on regression : Objective questions based on regression.
Related to the polygon : Assume n=3 and P has positive area. Explain how to determine efficiently whether exactly one of the point’s q and r falls inside of P. Analyze how much time is utilized.
Determine population average-confidence interval : Find a 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.
Determining confidence interval for true time battery pack : Determine a 95% confidence interval for true time battery pack can function before having to be recharged.
Single step income statement and retained earnings statement : The following information was taken from the records of Roland Carlson Inc. for the year 2007. Income tax applicable to income from continuing operations $187,000-Prepare a single-step income statement for 2007. Prepare a retained earnings statemen..
Objective questions based on regression : Objective questions based on regression.
Distributed scheduling algorithms : The receiver initiated the distributed scheduling algorithms assumed task pre-emption at sender site. Devise an approach, that is receiver-initiated however non pre-emptive.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Difference in the proportions

Construct a 95% confidence interval for the difference in the proportions of women and men who have regular exercise programs.

  Hypothesis test for one-way analysis of variance

Is there evidence to suggest a difference in the mean waiting times at the four body shops?

  Distribution interval or a bootstrap percentile interval

An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval

  Test out an suitable hypothesis also state your conclusion

Test out an suitable hypothesis also state your conclusion. Make sure the suitable assumption as well as conditions are satisfied before you proceed.

  Increase of confidence interval width

A confidence interval increases in width as:

  Relative frequency probability

What is the probability that a particular driver has two speeding violations.

  Use the binomial distribution formula to calculate

Privacy Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and Internet are reducing privacy. A survey conducted by Peter D.

  Determining a linear-power and exponential model

Now make a scatter plot of data from 1982 to 1998 (again, use years since 1800). Determine a linear, power, or exponential model that explains the crude oil production during this time period.

  Computing variance and standard deviation

Compute the variance and standard deviation of the number that will arrive within two days.

  Report the known project with all information

What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..

  Construct the probability distribution for x

A bag of jelly belly candies contains the following colored jelly beans: red (10), blue (2), orange (5), brown (21), green (0), and yellow (18). Construct the probability distribution for x.

  Assembly time using new method

Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?

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