Test of hypothesis by using t test

Assignment Help Basic Statistics
Reference no: EM13107219

From a population of cereal boxes marked "12 ounces," a sample of 16 boxes is selected and the contents of each box weighed. The sample revealed a mean of 11.7 ounces with a standard deviation of 0.8. Test to see if the mean of the population is at least 12 ounces. Use a 0.05 level of significance. (may use traditional or p-value method)

Reference no: EM13107219

Questions Cloud

Description of t test : Evolutionary theories often emphases that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking - even if they are not exposed to the usual pa..
Find the normal force exerted on the motorcycle : As part of a circuit act, a person drives a motorcycle with constant speed v around the inside of a vertical track of radius r. If the combined mass of the motorcycle and rider is m, find the normal force exerted on the motorcycle by the track at ..
Explain how well is eat to eat strategy working : Explain how well is Eat2Eat’s strategy working? Illustrate what evidence is there to indicate that the strategy is producing its intended results?
What is the net force acting on the rocket : A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
Test of hypothesis by using t test : From a population of cereal boxes marked "12 ounces," a sample of 16 boxes is selected and the contents of each box weighed. The sample revealed a mean of 11.7 ounces with a standard deviation of 0.8.
Difference in 3rd party beneficiary and 3rd party assignee : Explain the differences between a 3rd party beneficiary and a 3rd party assignee. Why are assignments of contracts so important for our free enterprise economy?
What is the spring constant of each spring : What is the spring constant of each spring if the empty car bounces up and down 1.4 times each second?
Illustrate what are the alternatives for solving business : Do you agree with Maggie Brown's accounts receivable policy? Illustrate what are the alternatives for solving the business's cash problem?
Academic response to independent sample t test : The managers in a company's East and West regions were rated on the basis of the company's evaluation system. A researcher wishes to conduct a t-test of means to determine if there is a difference between the East and West regions.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Confidence intervals-hypotheses testing

The following data was randomly drawn from a normal population. At an alpha level of .05, does the mean of the population differ significantly from -150. Use Excel.

  Population mean of waiting times

Assume that waiting times are approximately normally distributed. Construct a 98% confidence interval for the population mean of waiting times.

  Explaining statistics is science of conducting studies

Statistics is science of conducting studies to: Solve a system of equations.

  Determining z score and t score calculation

On a test whose distribution is approximately normal with a mean of 50 and a standard deviation of 10, the results for three students were reported as follows:

  Determine the mean-standard deviation

Determine the mean and the standard deviation of the following frequency distribution. (Round your answers to 2 decimal places.)

  Information about sampling distribution of proportion

Suppose a population proportion is .40, and 80% of the time when you draw a random sample from this population you get the  sample proportion of .35 or more.

  Independent samples-paired samples t-test

In a paragraph explain the differences between the Independent Samples and Paired Samples T-Test. When do you use each? Purpose a research question that could be addressed using each test

  Calculate the mean and median

Calculate the mean, median, range, and standard deviation for the Body Fat Versus Weight data set. Report your findings, and interpret the meanings of each measurement.

  Poisson distribution having mean

The number of lightning strikes in a year at the top of a particular mountain has a Poisson distribution with a mean of 4.2. Find the probability that in a randomly selected year, the number of lightning strikes is 0.

  Scatter plot and regression line

A scatter plot and regression line can be used for all of the following EXCEPT

  Determine mean number of hours-sullivan statistics survey

A researcher wanted to determine the mean number of hours per week (Sunday through Saturday) the typical person watches television. Results from the Sullivan Statistics Survey indicate that s=7.5 hours

  Probability of error in the transmission of a binary digit

The probability of error in the transmission of a binary digit over a communication [2] channel is 1=103. Write an expression for the exact probability of more than 3 errors when transmitting a block of 103 bits. What is its approximate value? Ass..

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