statistics
posted by scott .
what is the critical value of this statistic z=1.64 at 0.05 significance?

For P = .05 (twotailed), need Z ≥ 1.96.
For P = .05 (onetailed), need Z ≥ 1.645.
Respond to this Question
Similar Questions

Statistics
In a study that was highly published doctors discovered that aspirin helps prevent heart attacks. The research project which was scheduled to last 5 years employed 22,000 american physicians (all male). Half took an aspirin tablet … 
Stats
2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the … 
statistics
Perform hypothesis testing on one variable’s data. (Choose either the intrinsic or extrinsic column.) Perform a ttest by formulating a null and an alternative statement, choosing an acceptable significance value, determining the … 
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. Oneway … 
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, 5.5, … 
statistics
what is the critical value of this statistic at 0.05 significance.....z=1.64 
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 decides … 
Statistics
Using the numerical data for your team project, conduct a two sample, twotailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = pvalue = Reject … 
P Value Math Statistics
Find the Pvalue for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0 for the given level of significance a. twotailed test with test statistic z= 1.57 and a=0.04 
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 …