Question 16) divided by 2
Question 17) False
It indicate Zero correlation/no relation between two variables.
Question 16 5 pts In a two tailed test, a level of significance of say a...
If a researcher obtained an r of -0.85, what could you say about this correlation? - This is a strong negative correlation. O This is a strong positive correlation. O This is a weak negative correlation. O This is a weak positive correlation. Question 4 1 pts If a researcher wanted to see if cumulative GPA predicts GRE scores, which of the two variables would be the predictor variable? The number of participants None of the other answers O GRE...
A two-tailed test is being done. The distribution is normal and the significance level is 5%. What are the critical values?
Question 7 3 pts Provide the following information: A. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. B. Find the p-value to within 3 decimal places. C. Using a significance level of a = 0.05, do we reject Ho or fail to reject Ho? The test statistic of z=0.20 is obtained when testing the claim that p 2 0.39. A. Tail: two, left or right B. P-value: C. Reject or Fail to Reject the null HTML Editora
Question 6 3 pts Provide the following information: A. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. B. Find the p-value to within 3 decimal places. C. Using a significance level of a = 0.05, do we reject Ho or fail to reject Ho? The test statistic of z = -2.50 is obtained when testing the claim that p < 0.75. A. Tail: two, left or right B. P-value: C. Reject or Fail to Reject the null HTML...
a two tailed test is performed at a 5% level of significance. THE value is determined to be 0.04 the null hypothesis a) has been designed incorrect 2) should not be rejected 3)may or may not be rejected depending on sample size 4. should be rejected
Question 4 3 pts The Critical Value changes as we move from a two-tailed hypothes is test to a one-tailed test True False Question 5 3 pts In reference to a Confidence Interval, which are true All the answers are correct The larger the level of alpha, the smaller the Bound of Error (BOE) The larger the level of alpha, the larger the Confidence Coefficient The larger the level of alpha, the larger the standard deviation Question 8 3 pts...
help Question 11 2 pts If the coefficient of correlation between two variables is-0.6, the coefficient of determination will be: e 0,4. -0.6 -0.36. 0.6 0.36 Question 11 2 pts If the coefficient of correlation between two variables is-0.6, the coefficient of determination will be: e 0,4. -0.6 -0.36. 0.6 0.36
This Question: 1 pt 10 of 11 (9 complete) This Test: 11 pts possible c Question Help em The following are the age and price in hundreds) data for a certain type of car Age (x 7 6 7 3 2 4 4 Price 267 260 280 410 364 293 331 311 401 306 a Obtain the linear correlation coeficient by using the computing formula b. Interpret the value or in terms of the linear relationship between the two variables....
please answer all question (2-5) thanks Question 2 1 pts As the number of hours a student studies increases, the number of errors made on the exam decreases. There is a strong relationship between these variables. Select the value for the pearson correlation (r) that would be appropriate 0-0.7 0-0.4 o 0.6 o 1.0 Question 3 1 pts The following APA summary was reported for a one-sample t-test (two-tailed, alpha = .05). t(15) = 3.3, p = .003 Which of...
3. Wild Wllie's Weenie Wor ld is testing a model to predict its profts. The The model contains 5 explanatory variables and 25 observations. a. At the 5% level of significance, does autocorrelation exist if the Durbin-Watson statistic is 2.37? Show all parts of any test. (12 pts) b. The calculated Durbin-Watson statistic must be above what value before negative autocorrelation is suspected? (4 pts) c. What is an approximate correlation coefficient (r sub e) between consecutive error terms? (5...