Joy Chapman

Check whether the ordered pair is a solution to the equation x =3/4; (1/2, 3/4). Please show me step by step how you came up with this answer because I am really confused.

Calculate the mean, median, and mode for the following data set. Is the distribution normal or skewed? If its skewed, is it positively skewed or negatively skewed? Which of these measures of central tendency would be most appropriate? Data Set: 100, 97, 9...

Can someone please help me with the following math problems? I am totally lost and confused. Calculate the range, average deviation, and standard deviation for the following five distributions: A. 1, 2, 3, 4, 5, 6, 7, 8, 9 B. -4, -3, -2, -1, 0, 1, 2, 3, 4...

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students dr...

Draw a scatterplot indicating a strong negative relationship between the variables of income and mental illness. Be sure to label the axes correctly.

In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The data are provided in the following table. Number of Cups of Coffee 3, 2, 4, 6, 5, 1, 7, 3, 2, 4 Stre...

Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam scores? Individual Tim Tom Ti...

Okay, for the following data set I arranged the scores from lowest to highest. I added all the numbers in the data set and came up with the following Added all numbers in data set = 3,958 Divide by number of scores = 50 3,958 / 50 = 79.16 Is 79.16 the Mea...

Thanks for the instructions. I will work on it now that I have thorough instructions on how to come up with the range, average deviation, and standard deviation.

All it has in the back of my textbook is Appendix A where it states, "Areas Under the Normal Curve (Z-Table)." Is this the correct table and what exactly am I supposed to look for? There are no straight numbers because on this table is just numbers that a...