Question Details

HCS 438
WEEK 3
Q1. For the following exercise (the two data sets are below in part Q1C), complete the following:
Q1A. Find the mean, median, and range for each of the two data sets shown below at letter C.
Mean first 7 means find the mean of the 7 data points in set 1.
Q1B. Find the standard deviation using the rule of thumb for each of the data sets.
Q1B1. (0.3 point)  First 7:(1/6) (Range (set 1)) = (1/6) (4) = 2/3 = .667
The following data sets shows the ages of the first seven presidents (President Washington 
through President Jackson) and the seven most recent presidents including President Obama. 
Age is given at time of inauguration.
Set 1 - First 7:                 57        61        57        57        58        57        61
Set 2 - Second 7:             61        52        69        64        46        54        47
Q2. (0.3 point) A data set consists of a set of numerical values. Which, if any, of the following 
statements could be correct?
 
1.	There is no mode.
2.	There are two modes.
3.	There are three modes.
Q3. Indicate whether the given statement could apply to a data set consisting of 1,000 values 
that are all different.