Investigative Methods

INVESTIGATIVE
METHODS
STUDENT ID:
[Pick the date]

Question 1
(a) The appropriate hypothesis are highlighted as follows.
 The mean time spent on webpage by customer for goods searching is different from
the hypothesised value of 12minutes (Alternative Hypothesis, Two tail test).
 There is significant difference observed between the average time spent for the
population of all customers on searches related to webpage and the average time spent
for the population of those customers with above median spending (Alternative
Hypothesis, Two tail test).
 There is significant difference observed between the average time spent for the
population of all customers on searches related to webpage and the average time spent
for the population of those customers with below median spending (Alternative
Hypothesis, Two tail test).
(b) The linear association between attitude of customers and average spending by consumers is
not statistically significant (Null Hypothesis, Two tail test).
(c) There does not exist any statistically significant difference in the mean spent on given online
store by male and female customers (Null Hypothesis, Two tail test).
(d) The linear associated between age of customers and time spent on average on the given
shopping site is not statistically significant (Null Hypothesis, Two tail test).
Question 2
Descriptive statistics
2

Question 3
Relevant statistical tests to be performed are stated below.
3