We may have made a type i error

Assignment Help Basic Statistics
Reference no: EM131599501

The resulting p-value from a one-way ANOVA 0.11 based on a sample of over 1000 patients. The level of significance was pre-defined to be 0.10. Which of the following is true? Select all that apply.

  1. We may have made a Type I Error
  2. We may have made a Type II Error
  3. We could have rejected the null hypothesis if we had chosen a smaller level of significance.
  4. We could have rejected the null hypothesis if we had chosen a larger level of significance.
  5. We aren't sure whether or not there really is no difference between groups with respect to the mean outcome value or whether or not our sample size was too small.
  6. We aren't sure whether or not there really is no difference between groups with respect to the mean outcome value or whether or not our sample size was too large.
  7. We rejected the null hypothesis, but perhaps we should not have.

Reference no: EM131599501

Questions Cloud

Synthesize literature related to influence of personality : This assignment is designed to enhance the learners' ability to synthesize literature related to influence of personality on consumer behavior.
How well our linear regression models data : What does the Standard Error of Estimate (SEE) measure and what can this tell us about how well our linear regression models data?
Table of data represents a linear relationship : Suppose that you are reviewing a table of data from a study. It's stated that the table of data represents a linear relationship.
Calculate the contract price and gross profit ratio : X, an individual, not a dealer, owns land and a building. Calculate the Contract Price and Gross Profit Ratio and the amount of gain
We may have made a type i error : The level of significance was pre-defined to be 0.10. Which of the following is true? Select all that apply.
How do you interpret beta : In a regression problem someone wants to study the effect of fuel additive on mpg of midsize cars in highway driving.
Quartiles and the interquartile range : The following data give the speeds of 13 cars (in mph) measured by radar, traveling on I-84.
What are the tools and ways that project managers monitor : What are the tools and ways that project managers monitor and control projects? What are good methods of monitoring?
Find the summary statistics : The following table gives the scores obtained by the students in a midterm test (X) and the final (Y). We want to see how well the final score

Reviews

Write a Review

Basic Statistics Questions & Answers

  Suggest a reason for the peak in womens length of stay

Describe these distributions by writing a few sentences comparing the duration of hospitalization for men and women.- Can you suggest a reason for the peak in women's length of stay?

  Determine the rejection region

(a) State H0 and Ha. (b) Find the criticalvalue(s) and use it to determine the rejection region. (c) Find the standardized test statistic t.

  Determine the standard error of the mean

A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean?

  Find the expected number of games played.

Suppose in the problem above, that the two teams are evenly matched and each has probability 1/2 of winning each game. Find the expected number of games played.

  Cases were individually matched to one control for daily

an epidemiologist found five cases of big toe cancer in the yukon territory. because there were only a few cases the

  Is their experience evidence that dropout rate increasing

One school district whose dropout rate has always been very close to the national average reports that 210 of their 1782 high-school students dropped out last year. Is their experience evidence that the dropout rate may be increasing? Explain.

  Point estimate for parameter

A point estimate for a parameter is a single number designed to estimate a quantitative parameter of a population, usually the value of the corresponding sample statistic

  Critical value-t -test for correlation coefficient

A correlation coefficient computed for n=18 and a=0.10 is r=0.692. . Using the t -test for the correlation coefficient, what are the critical values?

  Statement of purpose of the study

Choose a variable. Before collecting the data, decide what a likely average might be, then complete the following: Write a brief statement of purpose of the study

  Compute a confidence interval

Compute a confidence interval for the difference in population means and assume x is normally distributed in the populations and the variances of the populations are approximately equal.

  Is it feasible currently to achieve a c section rate

Based on benchmarking with comparable facilities in similar metropolitan areas, is it feasible currently to achieve a C-section rate of 10%?

  What does statistically significant mean in given context

News reports claimed this study proved that swimming can prevent depression. Explain why this conclusion is not justified by the study. Include an example of a possible confounding variable.

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