Using the palm (and palm OS) in Mathematics Education James P. Dildine, 2001
Some Examples to Pursue


Ages Vs. Systolic Blood Pressures for 10 Women

Age

Blood Pressure

Age

Blood Pressure

34

120

55

140

38

114

57

152

44

140

60

157

44

136

63

149

49

147

72

162

 

 

 

 

We will enter these data in out Palm App: ProStats


 

 

 

You can also use Lin Reg toPlot (x,y) data as (age, years) and determine linear regression model to describe data.

So the story about our data from these three stats programs analyses:

It seems that as a woman ages her systolic blood pressure rises as evident by the comparison line graphs on quicksheet and the linear "trend line" thru the belt of data from the Linear Regression Program. The average age of women surveyed was 51.6 with a standard deviation of 11.9 and the average Systolic BP was 141.7 with an SD of 15.3.

Easy Calc - Graph several expressions and compare them. The Graphs of three functions are shown in the table and palm below. What is the relationship between the three graphs over the interval 1 to 2 ?

Y = 2 * X

Y = X ^ 2

Y = 2 ^ X