Null and alternative hypothesis

Assignment Help Basic Statistics
Reference no: EM1388357

Use the following problems statement to answer the following five questions:

Suppose that in past years the average price per square foot for warehouses in the United States has been $32.28. A national real estate investor wants to determine whether that figure has changed now. The investor hires a researcher who randomly samples 19 warehouses that are for sale across the United States and finds that the mean price per square foot is $31.67, with a standard deviation of $1.29. If the researcher uses a 5% level of significance,

what are the appropriate hypotheses?

what is the value of test statistic?

what is (are) the critical value(s)?

what statement should be made about the null and alternative hypothesis based on sample data and significance level?

what specific conclusion can be drawn about the price for square foot of warehouses in United States

Reference no: EM1388357

Questions Cloud

Determine the equation of the line : You are estimating the cost ($K) of optical sensors based on the power output of the sensor. Using the preliminary calculations from a data set of 8 sensors, determine the equation of the line. (Round your intermediate calculations to 3 decimal pl..
A business organization intends to develop a new e-commerce : A business organization intends to develop a new e-commerce Web site to enable its customers to make online purchases of computers in a quicker and more efficient manner
Write program to print names of files with similarity : Write down the program which prints names of two files with highest similarity among files in collection, and names of two files with lowest similarity.
Compare an experimental medication : A clinical trial is organized to compare an experimental medication designed to lower blood pressure to a placebo. Before starting the trial, a pilot study is conducted involving ten participants.
Null and alternative hypothesis : what statement should be made about the null and alternative hypothesis based on sample data and significance level?
Productivity is measured by the ratio of outputs : Productivity is measured by the ratio of outputs to inputs. Some organizations use a partial measure of productivity to measure actual operations, such as a restaurant using number of customer meals per labor hour.
Measurement process-improvement process : Organization selected for the project is a Pharmaceuticals company. I want help in finding information for section six (Measurement process) and seven (Improvement process). If you could provide me some ideas and push me in right direction, I woul..
School cafeteria make or buy its pizzas : The school cafeteria can make pizza for approximately $0.30 a slice. The cost of kitchen use and cafeteria staff runs about $200/day. The Pizza Den nearby will deliver whole pizzas for $9.00 each.
How brain help decrease pain sensation : Discuss how exactly does a painful stimulus result in a person's perception of pain and response to it? Include in your answer the type of pain receptors,

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining earning percent of sales representatives

What percent of sales representatives earn more than $42,000 per year?

  Determining probability that no female are hired

Determine the probability that no female are hired. Determine the mean and standard deviation of X.

  Coefficient of determination and correlation

What does the coefficient of determination tell you about the variation in attendance and the variation in the number of exhibitors?

  Confidence interval for the mean number of hours

A researcher wants to determine a 95% confidence interval for the mean number of hours that UMKC students spend doing homework per week.

  Determining the value of population mean

Determine the value of population mean? What is the best evaluate of this value?

  Describing z-score within standard deviations of mean

It is not unusual for a battery to have life span that is more than 2470 hours as the z-score is  within 2 standard deviations of mean.

  Bell-shaped curve for sampling distribution of sample

How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?

  Analysis of variance test

One-way Analysis of Variance (ANOVA) test -  How many treatments are there and  What is the total sample size?

  Niagara falls differs from the mean reported by the american

A survey conducted by the American Automobile Association showed that the family of four spends an average of $215.60 per day while on vacation. Suppose a sample of 64 families of four vacationing at Niagara Falls results in a sample mean of $252...

  Normal distribution-standard deviation

Assume that the measurements came from a normal distribution. The variability of the manufacturing process is unknown means the same as the standard deviation is unknown.

  Find the probability that the adult

Show some work for each part. A diagram can be helpful. A survey of adults found the following: 65 percent of the adults drink coffee. 35 percent drink tea. 80 percent drink coffee or tea (or both). If we choose a surveyed adult at random, find t..

  Calculating appropriate test statistic

Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1%.

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