The data below represents the average number of working words in an elementary student’s vocabulary as it relates to their shoe size. Perform a linear regression that models the data and enter in the correlation coefficient below (up to two decimal places).

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189