.

Data Science Exercise 1

Dear Sir or Madam, please take a few minutes of your time to complete the following questionnaire.

Secured
Survio
Create a survey
1

1.2.Determine if the following data is nominal, ordinal, interval, or ratio: a) telephone numbers b) ratings of fiction books (excellent, good, fair, poor) c amount of money spent on a medical checkup d) left hand—right hand e) leap years

Create a survey
2

1.3.What are measures of centre? List and explain the three measures of centre. (8)

Create a survey
3

Perform basic data analysis on the Results_PRO511 array for 20 learners who wrote the Programming 511 examination. Results_PRO511: 55, 78, 90, 50, 45 ,67 ,88 ,43 ,68, 91, 68, 70, 81, 64, 73, 83, 40, 18, 61, 94 a) Import NumPy and sort the list in ascending order. (4) b) Calculate and display the mean and median. (4) c) Determine the array size and display the results on screen. (2) d) Calculate and display the min, max and average. (6) e) Calculate and display the standard deviation and variance. (4)

Create a survey
Create a survey
4

Write your name surname and Student number

Create a survey