Finding critical regions

Assignment Help Basic Statistics
Reference no: EM132483881

Finding Critical Regions [z-score cutoffs]

Sample: n=30

Avg Score: μ = 7.00

Standard Deviation: σ = 2.50

Data: 4, 7, 6, 10, 6, 3, 8, 1, 5, 3, 8, 2, 4, 9, 3, 9, 5, 8, 10, 6, 3, 4, 9, 10, 7, 5, 3, 5, 8, 4

If you decide to use an alpha level of .05, what is the z-score that you will use as a cutoff score for the hypothesis test?

If you decide to use an alpha level of .01, what is the z-score that you will use as a cutoff score for the hypothesis test?

If you decide to use an alpha level of .001, what is the z-score that you will use as a cutoff score for the hypothesis test?

Reference no: EM132483881

Questions Cloud

What percentage of races will finishing time : Using the empirical rule, what percentage of races will his finishing time be between 62 and 64 seconds?
Show that the estimated standard error in 2014 : a) Show that the estimated standard error in 2014 was 0.011. b) Construct the 95% confidence interval for 2014, and interpret it.
What would be the journal entry to simultaneously reimburse : A company has a petty cash fund of P25. What would be the journal entry to simultaneously reimburse the fund and increase it to P100
Find the mean and the standard deviation for the numbers : a. Find the mean and the standard deviation for the numbers of girls in groups of 24 births.
Finding critical regions : If you decide to use an alpha level of .05, what is the z-score that you will use as a cutoff score for the hypothesis test?
Determine debt vs equity : Determine DEBT VS EQUITY. Why do you think debt offerings are more common than equity offerings and typically much larger as well?
What is the probability density function of w : Customers arrive in a certain shop according to an approximate Poisson process at a mean rate of 10 per hour. Let W denote the waiting time in minutes
Determine the allowance for uncollectible accounts : The company estimates that 20% of accounts receivable will uncollectible. After correct adjusting entry has been made, the allowance for uncollectible accounts
Prepare adjusting entries that were made by the dunbar zoo : Prepare the adjusting entries that were made by the Dunbar Zoo on December 31, 2017. If no adjusting entry is required, please type "NO ENTRY"

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine d for the schizophrenia depression comparison

Analyze the data with an F test and a set of Tukey HSDs. Determine d for the schizophrenia-depression comparison. Write a conclusion about Dr. Rorschach's test.

  Hypothesis testing-bmi of men-women

Hypothesis Testing: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.

  A large number of banks and insurance companies

A company called CRW runs credit checks for a large number of banks and insurance companies. Credit history information is typed into computer files by trained administrative assistants.

  List the three major contract types that the government

List the three major contract types that the Government utilizes. For each contract type, give an example of when it would be utilized.

  Should the power company hire the geologist

The geologist's past record indicates that she will predict an earthquake on 95% of the occasions for which an earthquake will occur and no earthquake on 90%.

  Standard deviation of the number of special orders

a) What is the probability that for any day, the number of special orders sent out will be more than 4? b) What is the standard deviation of the number of special orders sent out daily?

  Describe each of scales of measurement

Identify the variables you have chosen to analyze, and describe each of their scales of measurement (nominal, ordinal, interval, or ratio).

  Data analysis method

A campus researcher wanted to investigate the factors that affect visitor travel time in a complex. multilevel building on campus.

  Randomly distributed balls in boxes

Suppose 10 balls, numbered 1-10, are to be distributed randomly into 10 boxes. a) What is the probability all 10 balls are placed into one box? b) What is the probability that no boxes are empty?

  A srs of 21 orangutans is selected and 65 cc of blood is

a srs of 21 orangutans is selected and 65 cc of blood is drawn from each orangutan using a 100 cc syringe. this method

  What proportion of the scores in a normal distribution

1. What proportion of the scores in a normal distribution are higher than a T-score of 70?

  For each individual the probability that they will pass

for each individual the probability that they will pass the proficiency exam independant of their classmates is .99.

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