1/ The height of high school basketball players is known to be normally distributed with a...
1/ The height of high school basketball players is known to be normally distributed with a standard deviation of 1.75 inches. In a random sample of eight high school basketball players, the heights (in inches) are recorded as 75, 82, 68, 74, 78, 70, 77, and 76. Construct a 95% confidence interval on the average height of all high school basketball players.
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1/ The height of high school basketball players is known to be
normally distributed with a...
Expand Suppose that heights of male collegiate basketball players in a country are normally distributed with...
Expand Suppose that heights of male collegiate basketball players in a country are normally distributed with a mean of 75 in and a standard deviation of 3.6 in. A researcher wants to determine if the mean height of male collegiate basketball players in one particular conference is different from the national average. She obtains email addresses for all of the players in this conference and emails them asking for them to reply with their height Of the 573 emails she...
The data table contains frequency distribution of the heights of the players in a basketball league....
The data table contains frequency distribution of the heights of the players in a basketball league. a. Calculate the mean and standard deviation of this population. b. What is the probability that a sample mean of 40 players will be less than 69.5 in.? c. What is the probability that a sample mean of 40 players will be more than 71 in.? d. What is the probability that a sample mean of 40 players will be between 70 and 71.5...
The table below shows the heights, in inches, of 15 randomly selected National Basketball Association (NBA)...
The table below shows the heights, in inches, of 15 randomly selected National Basketball Association (NBA) players and 15 randomly selected Division I National Collegiate Athletic Association (NCAA) players. NBA 84 77 80 76 81 81 77 85 78 79 78 79 84 75 77 NCAA 79 74 74 79 78 77 76 75 75 82 76 78 78 79 73 Using the same scale, draw a box-and-whisker plot for each of the two data sets, placing the second plot...
The population standard deviation for the height of high school basketball players is 3.3 inches. If...
The population standard deviation for the height of high school basketball players is 3.3 inches. If we want to be 95% confident that the sample mean height is within 1.8 inch of the true population mean height, how many randomly selected students must be surveyed? Fill in the blank: n=
Question 4 15 pts Following are heights, in inches, for a sample of college basketball players....
Question 4 15 pts Following are heights, in inches, for a sample of college basketball players. 84 88 78 85 70 75 72 86 78 81 86 78 81 72 73 76 77 87 88 60 a. Find the mean, median and mode. (3pts) b. Use the mean, median and mode to describe the shape of the distribution. (4pts) c. Find the standard deviation and variance of the heights of the basketball players. (4pts) d. Find the percentile for 85in,...
High School 1 High School 2 High School 3 High School 4 High School 5 2003...
High School 1 High School 2 High School 3 High School 4 High School 5 2003 67 82 94 65 88 2004 68 87 78 65 87 2005 65 83 81 45 86 2006 68 73 76 57 88 2007 67 77 75 68 89 2008 71 74 81 76 87 2009 78 76 79 77 81 2010 76 78 89 72 78 2011 72 76 76 69 89 2012 77 86 77 58 87 1 What is your Null...
Find the mean of the data summarized in the given frequency distribution: 55) The heights of...
Find the mean of the data summarized in the given frequency distribution: 55) The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the mean height. Round your answer to one decimal place. Height (in.) Frequency 70 - 71 72-73 74 - 75 76 - 77 78 - 79 80 - 81 82-83 2 5 9 13 8 4 2
The height of a Basketball Player is approximately normally distributed with a mean height of 73...
The height of a Basketball Player is approximately normally distributed with a mean height of 73 inches and a variance of 9 inches^2. What is the approximate probability that a player's height is between 72 and 75 inches? a).3779 b).7586 c).3779 d).6221
Ninety minutes are allowed for students to complete the multiple choice section of a national exam....
Ninety minutes are allowed for students to complete the multiple choice section of a national exam. A random sample of 28 students selected from the students at a large high school took a practice exam, and the time (in minutes) that it took each student to complete the multiple-choice section was recorded. The times are given below. 58 76 74 80 88 74 65 97 66 95 77 63 83 73 64 71 60 68 70 63 71 57 75 ...
Listed below are the heights of candidates who won elections and the heights of the candidates...
Listed below are the heights of candidates who won elections and the heights of the candidates with the next highest number of votes. The data are in chronological order, so the corresponding heights from the two lists are matched. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval estimate of the mean of the population of all "winner/runner-up" differences. Does height appear to...
Expand Suppose that heights of male collegiate basketball players in a country are normally distributed with a mean of 75 in and a standard deviation of 3.6 in. A researcher wants to determine if the mean height of male collegiate basketball players in one particular conference is different from the national average. She obtains email addresses for all of the players in this conference and emails them asking for them to reply with their height Of the 573 emails she...
The data table contains frequency distribution of the heights of the players in a basketball league. a. Calculate the mean and standard deviation of this population. b. What is the probability that a sample mean of 40 players will be less than 69.5 in.? c. What is the probability that a sample mean of 40 players will be more than 71 in.? d. What is the probability that a sample mean of 40 players will be between 70 and 71.5...
Question 4 15 pts Following are heights, in inches, for a sample of college basketball players. 84 88 78 85 70 75 72 86 78 81 86 78 81 72 73 76 77 87 88 60 a. Find the mean, median and mode. (3pts) b. Use the mean, median and mode to describe the shape of the distribution. (4pts) c. Find the standard deviation and variance of the heights of the basketball players. (4pts) d. Find the percentile for 85in,...
Find the mean of the data summarized in the given frequency distribution: 55) The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the mean height. Round your answer to one decimal place. Height (in.) Frequency 70 - 71 72-73 74 - 75 76 - 77 78 - 79 80 - 81 82-83 2 5 9 13 8 4 2
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