n=1 m=18 k=45 2. A group of students were interviewed and asked about the number of...
A group of 74 college students from a certain liberal arts college were randomly sampled and asked about the number of alcoholic drinks they have in a typical week. The purpose of this study was to compare the drinking habits of the students at the college to the drinking habits of college students in general. In particular, the dean of students, who initiated this study, would like to check whether the mean number of alcoholic drinks that students at his...
A group of 43 college students from a certain liberal arts college were randomly sampled and asked about the number of alcoholic drinks they have in a typical week. The purpose of this study was to compare the drinking habits of the students at the college to the drinking habits of college students in general. In particular, the dean of students, who initiated this study, would like to check whether the mean number of alcoholic drinks that students at his...
26 randomly selected students were asked the number of movies they watched the previous week. The results are as follows: # of Movies 0 1 2 3 4 Frequency 5 6 7 5 3 Round all your answers to 4 decimal places where possible. The mean is: ___ The median is: ___ The sample standard deviation is: ___ The first quartile is: ___ The third quartile is: ___ What percent of the respondents watched at least 2 movies the previous...
20 randomly selected students were asked the number of movies they watched the previous week. The results are as follows: # of Movies 0 1 2 3 4 Frequency 4 5 6 1 4 Round all your answers to 4 decimal places where possible. The mean is: The median is: The sample standard deviation is: The first quartile is: The third quartile is: What percent of the respondents watched at least 2 movies the previous week? % 75% of all...
21 randomly selected students were asked the number of movies they watched the previous week. The results are as follows: 0 1 3 4 5 # of Movies Frequency 2 3 4 3 3 3 2 6 Round all your answers to 4 decimal places where possible. The mean is: The median is: The sample standard deviation is: The first quartile is: The third quartile is: What percent of the respondents watched at least I movies the previous week? %...
2. Auniversity asked 10 graduate students how many hours of homework they were planning to do that week. Here are their responses: 14 13 15 21 19 24 25 28 25 31 Answer the following questions about this data: a. What's the mean number of hours of homework done by these students per week? What's the median? Why are these figures different? b. What's the range of the data? c. Is the data skewed? If so, in what direction? How...
Problem 1 Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are given in the table below. # of movies Frequency Relative Frequency Cumulative Relative Frequency Complete the following, entering fractions or decimal values with accuracy to nearest 0.01 a. (10%) Give the sample mean: I = b. (10%) Give the sample standard deviation: $ = c(10%) Construct histogram 0.00 0.00 0.00 0.00 0.00 c. (10%) Construct histogram d. (5%) Complete the...
K=42, m=18 , n=4
Mathematical Statistics 2018/2019, Homework 9 Name and Surname Student's number In the problems below, please use the following: as k - the sum of digits in youir student's number; as m - the sum of the two largest digits in your student's number; and as n - the smallest digit in your student's number plus 1. For example, if an index number is 609999: k-42, m-18, n 1 Please write down the solutions (transformations, substitutions etc.),...
Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18. For this sample, the median is _____. A. 2.5 B. 3 C. 3.5 D. 2 need help please
1. A group of 73 college students from a certain liberal arts college were randomly sampled and asked about the number of alcoholic drinks they have in a typical week. The purpose of this study was to compare the drinking habits of the students at the college to the drinking habits of college students in general. In particular, the dean of students, who initiated this study, would like to check whether the mean number of alcoholic drinks that students at...