-3 -2 -1 mean +1 +2 +3 34% 34% 2.35% 2.35% 0.15% 13.5% 13.5% 0.15% 3. 58.5 60 61.5 63 64.5 66 67.5 A researcher determined that the heights of male students in a particular town are normally distributed with a mean of 63 inches and a standard deviation of 1.5. Use the graph above to answer the following questions: a. What percentage of these students is taller than 66 inches? b. If the data are based on 200 students, how many students are between 60 and 64.5 inches tall? Explain.

Please answer the following question and provide step by step answers please. Thank you!

Question 3 The number of hours worked per week for a sample of ten students is shown below. Student Hours 1 39 28 10 16 26 34 38 9. 4 10 32 1. Determine the mean, median, and mode. 2. What is the range of the data for the hours worked? 3. What is the standard deviation for the number of hours worked? 2. 3. 4, 7, 8.

A recent poll of 3,107 individuals asked: "What's the longest vacation you plan to take this summer?" The following relative frequency distribution summarizes the results. Response Relative Frequency A few days 0.22 A few long weekends 0.35 0.24 0.19 One week Two weeks a-1. Construct the frequency distribution of these data. Note: Round your answers to the nearest whole number. Response A few days A few long weekends One week Two weeks Total Frequency 0 a-2. How many people are going to take a one-week vacation this summer? Note: Round your answer to the nearest whole number. Number of people b. Select a bar chart for this data. Frequency 1200 1000 800 600 400 200 Bar Chart A Frequency Bar Chart B Bar Chart C 1200 1400 1000 800 600 400 200 Frequency 1200 1000 800 600 400 200 80 0 0 0 A few days A few days A few long One week Two weeks A few days A few long One week Two weeks A few long weekends One week Two weeks weekends weekends Response Response Response

Which of these graphs show a normal distribution probability?

Which of the following five statistics are commonly used together to determine the shape of a distribution? Five answers correct. All or nothing credit.   1. The minimum   2. Variance   3. The 2nd quartile   4. The maximum   5. Coefficient of variation   6. Interquartile range   7. The 1st quartile   8. The 3rd quartile   9. Range   10. Standard deviation

Question 3 Match the questions with answers. Use this sample data for all questions: Table 2: Time taken in seconds. Sample 290, 340, 150, 300, 200, 100, 400, 500, 600, 89, 94 What is the mean for table 2? A. 278.45 What is the median for table 2? B. no mode v What is the mode for table 2? C. 172.06 v What is the sample standard deviation for table2 ? D. -0.46 Calculate the 75th percentile for table 2. E. 622.58 v What is the interquartile range for table 2? F. 290.00 What is the z score for an x value of 200 using table 2? G. 0.46 v Using the empirical rule to find the range of values containing 95% of the data from table 2, what is the upper value of the range? Hint: use the mean and standard deviation you previously calculated. H. 794.64 I. 177.95 J. 400.00 K. 300.00 L. 198.38 M. 100 N. 370