Probability and Statistical Data Analysis

PSDA Project 2

Group members

Group Members and Matric numbers:

Nurul Ismat Tanni - A18CS4052

Nurul Najihah Binti Abd Razak - A21EC3027

Youssef Adel Moustafa - A21EC0283

Azfa Nu’man bin Azri Harith - A21EC3006

Hypothesis Testing

We used this 1 sample testing to test whether the statement: "the mean of the cash payment method on online delivery food is less than 20" is true assuming a 95% confidence level. You can see our findings are shown below.

Hypothesis test finding

Correlation Testing

We used this 2 sample testing to test whether there is a correlation between the number of people using online delivery and age. You can see our findings are shown below.

Correlation coefficient

Significance test

Regression Testing

In a regression test, we decide to find out if there is a linear relationship between the age group and the number of people. The independent variable ( variable that used to explain the dependent variable ) is the number of people while the dependent variable ( variable that i wish to explain ) is the age group of people.

Part 1

Part 2

Part 3

Chi Square test of independence

Used to determine whether there is a significant relationship between the age group of consumers and the type of meals ordered assuming a 95% confidence level.

Part 1

Part 2

Part 3 (Decision)