You can use a significance test to evaluate the hypothesis

Assignment Help Basic Statistics
Reference no: EM13612143

Explain what is wrong with each of the following:

a. You can use a significance test to evaluate the hypothesis Ho:p(hat)=0.6 versus the two-sided alternative.

b. The large-sample significance test for a population proportion is based on a t statistic.

c. An approximate 95% confidence interval for an unknown proportion p is p(hat) plus or minus its standard error

Reference no: EM13612143

Questions Cloud

In a survey of 1430 undergraduate students 1087 reported : in a survey of 1430 undergraduate students 1087 reported that they had one or more credit cards.a. provide a 90
A determine the magnitude of her acceleration assumed to be : a skateboarder starting from rest rolls down a 14.6-m ramp. when she arrives at the bottom of the ramp her speed is
Find the amount of energy the freezer must remove from the : r-134a fills a 0.1 m3 capsule at 20oc 200 kpa. it is placed in a deep freezer where it is cooled to -10oc. the deep
The ball remains in contact with the kickers foot for 00593 : in a football game a kicker attempts a field goal. the ball remains in contact with the kickers foot for 0.0593 s
You can use a significance test to evaluate the hypothesis : explain what is wrong with each of the followinga. you can use a significance test to evaluate the hypothesis hophat0.6
With all similarity conditions satisfied the measured drag : the drag on a 2-m-diameter satellite dish due to an 80-kmhr wind is to be determined through a wind tunnel test using a
Compute the fans angular velocity magnitude after time 0199 : an electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.290 . the
What critical value t should be used to calculate the : what critical value t should be used to calculate the margin of error for a confidence intervalfor the mean of the
Carbon dioxide at 20 degrees celsius and a pressure of 550 : carbon dioxide at 20 degrees celsius and a pressure of 550 kpa flows through a pipe at 0.04 ns what would be the

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine why individuals need to study

We forecast that 20% of group 1 and 30% of group 2 will experience outcome. If we recruit the equal number of individuals in each of the groups, how many individuals do we need to study?

  The regression equation between years of employment x and

the regression equation between years of employment x and discount amount y at the happy cafeteria is given byy 3x

  Estimate mean number of admissions per period

We know that the population variance is 16. Estimate the mean number of admissions per 24-hour period with a 95% confidence interval.

  Assuming a two-tailed test with alpha 05 how large a

question assuming a two-tailed test with alpha .05 how large a correlation is needed to be statistically significant

  Determine the upper control limit

Determine the upper control limit (UCL) and lower control limit (LCL) for an X-Bar chart if six samples of subgroup size 5 (n=5) were collected, and the mean of the sample averages is 4.7 and mean of the sample ranges is 0.35.

  A 95 percent confidence interval estimate for the

the management of a department store is interested to estimate the difference in the amount of money spent by female

  Proportion of applicants that fail the test

As a condition of employment, Fashion Industries applicants must pass a drug test. Of the last 220 applicants 14 failed the test. Develop a 99 percent confidence interval for the proportion of applicants that fail the test.

  Researchers studying infant head circumferences

Researchers studying infant head circumferences (in centimeters) wish to test if the mean head circumference differs from the historical mean of 34.5 cm. The researchers obtain a sample of 17 infants with a mean head circumference of 34.16 cm and a s..

  If a decision maker wishes to develop a regression model in

a decision maker is considering including two additional variables into a regression model that has as the dependent

  State conditions needed to build a confidence interval

They select a random sample of 525 employment records, and find that 229 of the people are females. State the conditions needed to build a confidence interval.

  What is the probability that the second one selected is

1. two manufacturing plants produce similar parts. plant 1 produces 1000 parts 100 of which are defective. plant 2

  T-test with unequal variances

Mauricio Cruz, a wine merchant for Cruz's Spirits Emporium, wants to determine if the average price of imported wine is less than the average price of domestic wine. The data obtained is shown in the table below.

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