Find the critical value of t for an experiment

Assignment Help Basic Statistics
Reference no: EM131322922

a. Using the table of critical values of t in Appendix A-2, find the critical value of t for an experiment in which there are 28 participants, using an alpha level of .05 for a one-tailed test

b. Find the critical value of t for an experiment in which there are 28 participants, using an alpha level of .01 for a one-tailed test.

Reference no: EM131322922

Questions Cloud

Customer relationship management : Petrie Electronics implemented its Customer Relationship Management (CRM) system, No Customer Escapes last week. But like any system, the Change Management team receives a request for a change to the system.
Why must a different t test be used for matched subjects : Why must a different t-test be used for matched-subjects and within-subjects designs than for randomized groups designs?
What is the probability that you have made a type ii error : If the results of a t-test lead you to reject the null hypothesis, what is the probability that you have made a Type II error?
Consititure ambush or experiential marketing : Find three print examples of the kind of promptional methods that consititure ambush or experiential marketing
Find the critical value of t for an experiment : Find the critical value of t for an experiment in which there are 28 participants, using an alpha level of .01 for a one-tailed test.
Discuss the relationship between text and image : Choose and fully identify two specific works made after 500 CE that combine images with text. The works must come from different art historical periods. Note: Do not choose works with text consisting only of names, labels, or artists' signatures. ..
Draw a state-transition diagram for a 2-bit up/down counter : Think of the up/down counter of part A as a clocked sequential circuit of the form given in figure 4.15. Derive the truth table for the combinational logic, giving the next-state functions, N1 and N0, as functions of the present states, S1 and S0,..
If difference between two means is not significant : If the difference between two means is not statistically significant, how certain are you that the independent variable really does not affect the dependent variable?
Collect the voice of the customer : Investigate on the internet the various ways (interviews, focus groups, surveys, etc.) to collect the voice of the customer, and discuss the advantages and disadvantages of each method.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Baseline characteristics between treatment groups

Are there any statistically significant differences in baseline characteristics between treatment groups? Justify your answer. Write the hypotheses and the test statistic used to compare ages between groups. (No calculations - just H 0 , H 1 and for..

  What value is standard deviation above the mean

The average playing time of compact discs in a large collection is 35 min, and the standard deviation is 5 min. What value is 1 standard deviation above the mean? 1 standard deviation below the mean? What values are 2 standard deviations away from ..

  Continuous random variable-uniform distribution

Using convolution, determine the pdf of a continuous random variable Z where Z = X + Y. Here, X has a uniform distribution on [0, 3] and Y is a constant of value 2. Assume that X and Y are independent.

  Determining hypothesis testing of mean

Historically the average age of European soccer players is reported as 26 years with a standard deviation of 4 years. A random sample of 81 European professional soccer players has an average age of 27 years.

  Managers of a brokerage firm

The managers of a brokerage firm are interested in finding out if the number of new clients a broker brings into the firm affects the sales generated by the broker.

  Assuming that the outcomes listed in part a were equally

if a couple were planning to have three children the sample space summarizing the gender outcomes would be bbb bbg bgb

  Confidence interval-problem and solution

For a sample of 36 students in a class the mean score in Mathematics is 72 with a standard deviation of 7. Find the 95% confidence interval for the mean score.

  Find a span that seems to work well with the data

Consider the data set sunspots from Andrews and Herzberg (1985) as a response variable. For the predictor data x, use

  Probability that a randomly selected student has correct ans

Further, 20 students get both questions 1 and 2 incorrect, 15 get both questions 2 and 3 incorrect, and 8 get both questions 1 and 3 incorrect, and 7 get all three questions incorrect. Find the probability that a randomly selected student: a) Gets..

  Test at the 10 level if there is evidence that the

gallop a national polling organization surveyed 1018 randomly selectd american adults about their level of education

  The average number of phone calls at a particular phone

the average number of phone calls at a particular phone booth is 6 per hour. if someone arrives immediately ahead of

  A study of fill volumes is conducted at a food canning

a study of fill volumes is conducted at a food canning factory to determine the level of consistency between the two

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