1. A data set has a mean of 40, median of 20, and a mode of 20. Would the data likely be
a. Symmetrical
b. Skewed

2. If the mean, mode, and median are the same value, you have a normal distribution
a. True
b. False

3. An average or mean can be misleading as to the actual distribution of the data
a. True
b. False

4. The mode can never take on multiple values
a. True
b. False

5. A z-score is simply the number of standard deviation units you are away from the mean for a given data point
a. True
b. False

6. The mean is always a more valid measure to use in explaining data than the median
a. True
b. False

7. A mean is calculated by adding all the data values and dividing by the total number of data values
a. True
b. False

8. Calculate a z-score for the data point of 114 where the mean is 100 and the standard deviation is 16
a. Answer_______________

9. IQ tests generally have scores in which the mean is 100, and the standard deviation is 16. If your IQ score was 134, what percentage of the population would have a higher IQ than you?
a. Answer______________

The following data lists the average monthly snowfall for January in 15 cities around the US:
42 45 8 18 45 15 31 46
3 33 2 6 32 47 36
Find the mean, variance, and standard deviation. Please show all of your work.

There is a new drug that is used to treat leukemia. The following data represents the remission time in weeks for a random sample of 21 patients using the drug.
It is problem 1 on the spread sheet

1.A random sample of 35 days taken at a large hospital shows that an average of 44 patients was treated in the emergency room per day. The standard deviation of the population is 6. Find the 99% confidence interval of the mean number of ER patients treated each day at the hospital.
What is the interval lower limit?
What is t

See attached survey:
a. Why is it essential to evaluate the effectiveness of Training Facilitators.
b. Explain how the proposed survey addresses the problem statement. Problem state is to evaluate the effectiveness of Training Facilitators. The participants are the intended audience.
c. Are the survey questions appropr

PLEASE HELP ME POST QUESTIONS 2.3 AND 2.4 INTO EXCEL FORMAT WITH CALCULATIONS SHOWING. THE QUESTIONS HAVE BEEN ANSWERED ON TAB 1 WHERE IT SAYS QUESTIONS, BUT, I NEED TO PUT THE ANSWER ON THE CORRECT TAB BUT WITH EXCEL CALCULATIONS SHOWING. IVE ONLY PASTED ANSWERS AND THAT'S INCORRECT.