LAIKIPIA UNIVERSITY
STAT 412: INTRODUCTION TO MEASURE AND PROBABILITY
1. Let
a, b, c, d
. Consider the classes
and
F 1= cfw_ cfw_ a , cfw_ b , c , d , , ,
F2 =cfw_ cfw_ a , cfw_ d , cfw_ a ,b ,c , cfw_ b , c , d , , . Versify that F1 is an algeb
STA 217: REGRESSION AND CORRELATION ANALYSIS C.A.T.
1. Define the term Regression Analysis and state its objective, Explain clearly the difference between
simple linear and multiple linear regression.
2. Explain the concepts Correlation, Simple, Multiple
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Farmers age
Total area of pasture (ha)
Total area under fallow
Land in his possession
How many people do you have to feed?
Total area cultivated (ha)
Leased land
Number of members in the organisation
Annual
Farmers age
Total area of pasture (ha)
Total area under fallow
Land in his possession
How many people do you have to feed?
Total area cultivated (ha)
Leased land
Number of members in the organisation
Annual membership fee
(US$)
Number of market visits pe
Statistics 1A: Practical Report 2
Question 1:
a) HC Pollution Potential (HCPot)
Figure1. HC Pollution Potential
As it can be seen from Figure1 the distribution of the data is right-skewed.
In order to test more precisely whether the distribution of the da
*Note:
Practical 5:Multiple Linear Regression
Here is a list of the meanings of the variables:
1.Problem I3:
hwid (hand width; cm)
1.1. Context and Aim:
hlen (hand length; cm)
A sample of 87 first year male statistics students had their grip strength
meas
D
ate: 1.02.2013
Statistics 1A
Practical Report 1:
Collecting and Summarizing Data
(Practical B)
I.
Introduction
In this practical some measurements of the students in Statistics 1A Lab were taken. The
number of the subjects, whose measurements were taken
Practical Report 3:
Interval Estimation
1.Problem F3: Music and Mental Ability
1.1.
Context and aim: A sample of 30 university students were randomly
allocated into one of two groups. The members of each group performed a
series of mental tasks while list
Practical 4: Correlation and Simple Linear
Regression
Correlations: longevity, thorax
Pearson correlation of longevity and thorax = 0.647
P-Value = 0.000
1.Problem H3: Body Length and Lifetime of Fruit Flies
1.1.
Context and Aim: In this study the lifetim