In october 2000 the us department of commerce reported the

Assignment Help Basic Statistics
Reference no: EM13617144

In October 2000, the U.S. Department of Commerce reported the results of a large scale survey on high school graduation. Researchers contacted more than 25,000 Americans aged 24 years to see if they had finished high school: 84.9% of the 12,460 males and 88.1% of the 12,678 females indicated that they had high school diplomas.

a) Are the assumptions and conditions neccessary for inference satisfied?Explain.

b) Create a 95% confidence interval for the difference in graduation rates between males and females.

c) Interpet your confidence interval.

d) Does this provide strong evidence that girls are more likely than boys to complete high school? Explain.

Reference no: EM13617144

Questions Cloud

The number of planes arriving per day at small private : the number of planes arriving per day at small private airport is a random variable having a poisson distribution with
A manufacturer of computers claims its batteries last an : a manufacturer of computers claims its batteries last an average of 3.5 hours before needing recharging. for a sample
For a sample of 20 tires of a particular brand the average : for a sample of 20 tires of a particular brand the average tread life was 65000 miles with a standard deviation of
In a sample of 1000 people 540 are in favor of candidate a : in a sample of 1000 people 540 are in favor of candidate a and the rest are in favor of candidate b. find the 95
In october 2000 the us department of commerce reported the : in october 2000 the u.s. department of commerce reported the results of a large scale survey on high school
A company is criticized because only 19 of 49 executives at : a company is criticized because only 19 of 49 executives at a local branch are women. the company explains that
Find the number of chocolate chips a cookie should contain : find the number of chocolate chips a cookie should contain on the average if it is desired that the probability of a
Let x have a poisson distribution with mean m show that the : let x have a poisson distribution with mean m. show that the most likely value for x to assume is m with the following
The number of calories and number of grams of sugar per : the number of calories and number of grams of sugar per serving were measured for 36 breakfast cereals. the data are in

Reviews

Write a Review

Basic Statistics Questions & Answers

  Evaluate completely the following statement the issue is

evaluate completely the following statement the issue is not whether there is variation but whether the variation is

  Find range of probability by graphical sensitivity analysis

Use graphical sensitivity analysis to find out range of probabilities of state of nature S1 for which each of  decision alternatives has largest expected value.

  Describe the sample distribution of p-hat

Describe the sample distribution of p-hat, the sample proportion of college students with cell phones who send or receive text messages with their phones.

  When analysis of data reveals a difference between levels

when analysis of data reveals a difference between levels of a factor what is this called?a. factor effectb. level

  Find the f values if sum of squares for treatments is given

If the Sum of Squares for Treatments (SST) is 10% of SS(Total), and the Sum of Squares for Blocks (SSB) is 20% of SS (Total), find the F values for this experiment.

  A rehabilitation center researcher was interested in

a rehabilitation center researcher was interested in examining the relationship between physical fitness prior to

  Proportion-percentage and ratio

What are the differences among a proportion, a percentage, and a ratio? When would a researcher use a hypothesis test for the difference in two population proportions? Explain.

  Two population variances-media matrix and jupiter

Media Matrix and Jupiter Communications gathered data on the time adults and the time teens spend online during a month (USA Today, September 14, 2000).

  Determining model transformation

What method has been used to transform Model 1 to Model 2? Equations for Model 1 and Model 2 are as follows:

  Binomial approximation to normal probability

Suppose you toss a die 100 times in a row. What is the probability that you see 4 spots between 10 and 20 times?

  Determine the best levels for each factor

Taguchi experiment is to be performed on the effects of lift, bore, stroke, and compression on engine performance with horsepower as the outcome variable. Determine the best levels for each factor and state your conclusions.

  Find ninrty five confidence interval for population mean

A sample of 16 batteries reveals a mean of 3.45 years and a standard deviation of 0.3 years. Find a 95% confidence interval for the population mean.

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