Stating decision rule

Assignment Help Basic Statistics
Reference no: EM13113385

H-subzero: Pie = .40

H-subone: Pie does not equal .40

A sample of 120 observations revealed that p = .30. At the .05 significance level, can the null hypothesis be rejected?

A- State the decision rule

B- Compute the value of the test statistic

C- What is your decision regarding the null hypothesis?

Reference no: EM13113385

Questions Cloud

Statistical terms in managerial finance : Briefly describe: a statistical relation, time series, cross section, least squares, See, r, R-squared, t-value, multicollinearity and serial correlation.
Alternate hypothesis and two-tailed hypothesis tests : ESPN reported in sample of 1000 homes the proportion of people who watched the Texas v. Ohio State college football game this weekend was .6.
Number of cases abnormal on national cancer incidence rates : Tweleve cases of leukemia are reported in people living in a particular census tract over a 5 year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cancer incidence rates?
Question about hypotheses testing : A normal tomato will gain an average of 2 ounces per week during the growing season. A sample of 100 tomatoes is given a special hormone to increase their growth.
Stating decision rule : A sample of 120 observations revealed that p = .30. At the .05 significance level, can the null hypothesis be rejected?
Compute confidence interval for the true mean weight : A standard deviation of 1.9 pounds. What is the 95 percent confidence interval for the true mean weight, u, of all packages received by the parcel service?
Hypotheses testing of us government : The U.S. government recently reported that the proportion of people feeling negative about the economy was only 30%. However, a recent poll by CNN/Gallup found that in a sample of 1000 people 450 of them felt negative about the economy.
Values of test statistics : The following sample data were obtained from three populations where the variances were not equal, and you wish to compare the populations.
Locate the value of t under the conditions : Use Appendix F below to locate the value of t under the following conditions. The sample size is 15 and the level of confidence is 95 percent.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability-uniform density curve

Finding probability for the given values of the uniform density curve

  Calculations of sample size

A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight ofthe boxes, a few were checked.

  Probability that simple random sample automobile insurance

What is the probability that a simple random sample of automobile insurance policies will have a sample mean within $25 of the population mean the for each of the following sample sizes: 30, 50, 100, 400?

  Correlation-audience impressions and album sale

The table below lists the number of audience impressions (in hundreds of millions) listening to songs and the corresponding numbers of albums sold (in hundreds of thousands).

  Pearson coefficient-scatterplot interpretation

Is there a method which is accepted across industries for determining the minimum size of valid sample? N>50 +(8m aka 8 times the number of independent variables)

  Significant difference between chi-square for attributes

Test the significant difference between Chi-square for attributes

  Binomial probability of gambler

Consider a gambler who at each play of the game has probability of winning one unit and probability of loosing one unit. Assuming that the successive plays of the game are independent,

  Dispensing soft drink into containers

A soft drink bottling machine is set to dispense soft drink into containers labeled 16 ounces. While the actual quantities vary they are normally distributed with a mean of 16.1 ounces and a standard deviation of 0.015 ounces.

  Standard normal random variable probability

Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.

  Purpose-interpretation of multiple regression analysis

What purpose does a multiple regression analysis serve? Give an example of how it might be used in marketing research.

  Average price of a sample of low-calorie frozen desserts

The average price of a sample of 12 bottles of diet salad dressing taken from different stores is $1.43. The standard deviation is $0.09. The average price of a sample of 16 low-calorie frozen desserts is $1.03.

  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.

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