Canadian Health Care System Lacks Federal Government Support
Amandeep Chahal
211878949
York University
Professor: Peter P. Constantinou
PPAS 2110
June 20, 2016
1
The Canadian health care system can be
Distribution Shapes
Symmetric distribution



1
The data values are evenly distributed on both sides
of the mean
Symmetrical shapes are not always unimodal
When the distribution is unimodal, the me
In this assignment we examined hypothesis testing for the mean, now we examine hypothesis
testing for the standard deviation and proportions
1. For exercises 4, 8, and 15, on page 451452, provide the
4. A large university reports that the mean annual salary of parents for students in an undergraduate class
is $91,600. To see how this compares to the whole university, the president surveys 28 rando
3. Find the 95% confidence interval for the variance and standard deviation of the ounces of coffee that a
machine dispenses in 12ounce cups. Assume the variable is normally distributed. The data is
GEOG 2420: Introductory Statistics
Assignment 7: Data
A. Draw the scatter plot for the variables
Data for Question 1
x
5
4
8
7
8
6
10
9
y
12
10
2
5
8
8
10
12
2
4
7
6
9
10
1. Highlight the data in both
Confidence interval for the MEAN when standard
deviation for the population is not known (p. 369)
Is known?
Yes Use the z formula
No Use the t formula
T distribution is on p. 648 Table F
Exercise 13 p
Discrete Variables
Variables that assume values that can be counted (e.g., number of children in a family, number of students in a classroom).
Continuous Variables
Variables that assume an infinite nu
192
193
206
192
198
94
70
83
94
99
Analysing the scatter plot
There are several relationships that can exist between the x values and the y values (pp. 9596)
Construct a pie graph in Excel
The colour