Respond to this Question
Similar Questions

Statistics !
Hi I have calculated some statistics using a spreadsheet program and I have to compare three slopes of regression and their significance level in an energy species hypothesis.. 2.11 level of significance is 5% 4.73 level of
asked by Gary on June 4, 2009 
statistics
To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be normally distributed. (a) If = 76.9 and s = 8.5, compute the test statistic. (b) If the researcher
asked by Liz on October 7, 2011 
Biology
How do you calculate the critical value of X^2 at the 5% level of significance in a chi squared? And how do you calculate the degree of freedom? The textbook wording makes no sense and doesn't show it fully and I've read it over
asked by Sam on October 7, 2008 
Statistics
Need help with these questions: I have already answered 27 out of the 30 accept these last three: 8. Given the significance level 0.01, the Fvalue for the degrees of freedom, d.f. = (7,3) is. A) 8.45 B) 27.67 C) 5.89 D) 14.62 9.
asked by Stuart on March 8, 2009 
Statistic
11.5 Consider an experiment with four groups with eighth values in each. For the following ANOVA summary table, fill in all the missing results. Source Degree of freedom Sum of Square Mean Square(Variance) F
asked by GG on October 21, 2010 
statistics
Intrinsic  5.5, 5.5, 5.2, 5.3, 4.7, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.6 Extrinsic6.8, 5.5, 4.6, 5.7,5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6,
asked by crystal on September 19, 2010 
Business statistics
3. Determine the tcritical value for a twosided confidence interval in each of the following situations. a. Confidence level = 95%, df = 15 b. Confidence level = 99%, n = 5. c. Confidence level = 95%, n = 15 d. Significance
asked by Lizzie on March 25, 2015 
statistics
Find the test statistic, Pvalue, and critical value. Round to 3 decimal places. Claim: The mean IQ score of statistics professors is greater than 118. Sample data: n = 50, x = 120. Assume that σ = 15 and the significance level
asked by larae on April 8, 2014 
statistics
The manager of a service station is in the process of analyzing the number of times car owners change the oil in their cars. She believes that the average motorist changes his or her car's oil less frequently than recommended by
asked by iyra on February 9, 2010 
statistica
A management consultant has analysed a random sample of 40 large firms in order to investigate the mean annual salary of sales managers. She has constructed the following 90% confidence interval for the population mean annual
asked by zac on November 17, 2013