Section 1.2 Learning Check||Please enter your Full Name:|Your Email Address:|Your ID Number or Password:|A company advertised an executive job opening in the newsletters of different professional organizations. The number of applications from each of seven sources was
8, 15, 2, 12, 9, 5, 11
The median of the numbers of applications is # 9.0 %% 9.5 %% 8.0 %% 12.0 %%|For the histogram below, which of the following is true?
# The mean is larger than the median. %% The mean is smaller than the median. %% The mean and median are approximately equal. %% It is impossible to compare the mean and median for these data. %%|The sample was taken 0of the salaries of 20 employees of a large company. The following are the salaries (in thousands of dollars) for this year.
28, 31, 34, 35, 37, 41, 42, 42, 42, 47
49, 51, 52, 52, 60, 61, 67, 72, 75, 77
The first quartile of these data is # $35,000 %% $36,000 %% $37,000 %% $39,000 %%|The number of new projects started each month at an advertising agency for the last six months are
2, 5, 3, 3, 6, 3
The interquartile range for the above data is # 1.0 %% 4.0 %% 5.0 %% 2.0 %%|Consider the following box plot of the final exam scores in Stat. 1601.
The interquartile range is approximately # 80 %% 60 %% 30 %% 10 %%|The variance of 10 measurements of people's height (in inches) is computed to be 25. The standard deviation of these measurements is # 5.0 %% 2.5 %% 0.5 %% 250 %%|This is a standard deviation contest. Which of the following sets of four numbers has the largest possible standard deviation? # 7, 8, 9, 10 %% 5, 5, 5, 5 %% 0, 0, 10, 10 %% 0, 1, 2, 3 %%|For the density curve below, which of the following is true?
# The density curve is symmetric. %% The area under the density curve is 1. %% The density curve is skewed left. %% The density curve is normal. %%