5. Below is a stem and leaf diagram of the average heights of American women in...
What is the mean of the data in the stem and leaf diagram below The decimal point is at the | 1 | 1 1 | 67 2 | 1344 2 | 579 3 | 12 3 | 6
Question 25 5 pts Heights of adult American men are normally distributed with a mean of 69 inches and a standard deviation of 3 inches. Using the Empirical rule, approximately what percentage of men have heights below 63 inches? 68% O O O 95% 5% 2.5% Question 26 5 pts Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. Find the value of the quartile Q3. 66.1...
Consider the following stem and leaf display for a set of sample data. Stem Leaves (unit = 0.01) 0 |9 1 |5 6 2 |1 a 8 9 3 |2 3 5 7 8 4 |4 5 b 9 5 |2 3 9 (a) (i) Find the 1st Quartile (?1) and 3rd Quartile (?3) in terms of a and b. (2 marks) (ii) Suppose the inter-quartile range is 0.22 and the distances between the two quartiles and the median...
I just keep getting the last two wrong.
1 point) The following stem-and-leaf plot the number of items produced per day in a factory in a sample of 24 randomly selected days 112 represents 120 Leaf Unit 10.0 7 0 2 3 6 7 7 8 8 5 9 9 0 1 5 6 103 6 (a) What is the value of the mode for this sample? 630, 650, 77(if there is more than one answer, enter them separated by...
Sociologists have conducted much interesting research on gender stereotypes in American society. A curious aspect of sterotypes is that people tend to perceive differences between groups to be greater than they actually are. This suggests, for example, thr when asked about the heights of men and women, survey respondents would tend to percieve men to be taller than women. suppose you wanted to test this notion that individuals perceive a greater height difference between men and women than exists in...
Sociologists have conducted much interesting research on gender stereotypes in American society. A curious aspect of stereotypes is that people tend to perceive differences between groups to be greater than they actually are. This suggests, for example, that when asked about the heights of men and women, survey respondents would tend to perceive men to be taller than women. Suppose you wanted to test this notion that individuals perceive a greater height difference between man and women than exists in...
6. The following stem-and-leaf diagram gives the number of
patents held by each of a sample of 36 public and private U.S.
universities.
A- I
6. The following stem-and-leaf diagram gives the number of patents held by each of a sample of 36 public and private U.S. universities. 0 223 4799 1 11145566689 2 023479 3 004355 419 a) What is the shape of the distribution? Explain. b) What percentage of universities in the sample hold at least 50 patents?...
The stem-and-leaf plot below shows the marathon training times (in minutes) for a random sample of 30 female runners. Training Times (in minutes) of Female Runners 17 8 9 9 Key: 17 8 = 178 18 0 0 0 0 1 2 3 4 6 6 7 9 19 0 0 0 1 3 4 5 5 6 6 20 0 0 0 1 2 3 Provided the data from the stem-and-leaf plot above answer the following questions. a) Use...
The stem-and-leaf plot below shows the marathon training times (in minutes) for a random sample of 30 female runners. Training Times (in minutes) of Female Runners 8 99 Key: 17 8 = 178 18 0 0 0 0 1 2 3 4 6 6 7 9 19 0 0 0 3 4 5 5 6 6 20 0 0 1 2 3 Provided the data from the stem-and-leaf plot above answer the following questions. 1 a) Use the sample to...
The two Stem-and-Leaf plots below are data set for two searate exams, let's call them Exam scores, and then cam 2 scores. These are fictional exam scores) Exam 2 3 29 4 568 51689 6 357 7 229 679 7 1 3 5 7 80245677 9 038 907 (a) Calculate the mean and the Five Number Summary for these two distributions. (Round to I decimal place if necessary.) Exam 1: Exam 2: Min Qi Median Q3 Max Min 01 Median...