Grade 11 and 12 Mathematics (Moderator: geoffrey)

A statistic is a characteristic of the population. 1.True ...

Started by notis

The histogram of the age of the US population is best described as: 1.approximately normally ...

Started by justinmsk

When sampling two at a time, 1000 times repeatedly from a population, the sample size is: an? ...

Started by D2AR0N

A variable that follows a binomial distribution with n =10 and p = 0.2 would have a distribution ...

Started by @Brianna17

As the sample size increases the _____. 1.Standard error increases and the sampling distribution of ...

Started by Bernana

Suppose that wine bottles coming from Sonoma County Wineries have wine content (in ml) that is ...

Started by Pineapplelove6

A particular test is often used for measuring depression in adults. Scores range from 0 to 50 with ...

Started by waynest

A statistic that is unbiased with a small standard error is likely to result in an estimate that is ...

Started by jho37

All else being equal, the higher the confidence level, the wider the confidence interval. 1.True ...

Started by stock

Holding all other elements equal, an increase in sample size will result in a wider confidence ...

Started by amal

An unbiased statistic is one that 1.is closely approximated by a normal curve. 2.has the smallest ...

Started by dmcintosh

Chuck has decided to increase the size of the sample he uses to estimate a population proportion. ...

Started by silviawilliams41

Suppose that a random sample of 85 high school classrooms in the state of Iowa is selected and a 95 ...

Started by NClaborn

A manufacturer of small appliances purchases plastic handles for coffeepots from an outside vendor. ...

Started by yoooooman

Which of the following will not change the width of a confidence interval? 1.Increasing the ...

Started by storky111

A type II error is made by failing to reject a false null hypothesis. 1.True ...

Started by folubunmi

For tests of hypotheses about , decreases as the sample size increases if the level of significance ...

Started by yoooooman

All other things being equal, choosing a smaller value of will increase the probability of making a ...

Started by Mr.Thesaxman

It is customary to say that the result of a hypothesis test is statistically significant when the ...

Started by Cooldude101

One condition for a Z test for a population proportion p to be valid is that the population has a ...

Started by tichca

If your results were statistically significant, then you could have made a Type I error. 1.True ...

Started by saraeharris

One way to increase the power of a test is to increase your significance level. 1.True ...

Started by Coya19@aol.com

In a test of H0: p = 0.45 versus Ha: p < 0.45, the value of the z test statistic was calculated ...

Started by EAugust

The basic premise of hypothesis testing is to assume a status quo statement and examine sample ...

Started by arivle123

In order to check the calibration of an automatic filling machine a sample is taken to assess the ...

Started by rlane42