Question

Duty Article Statistics

Q 1: Select what If the following statements are true or false: (grades 5 ) CLO7: C1 )

()	1. The modern meaning of statistics is to gather information and arrange it intables.
()	2. Descriptive statistics include collection and tabulation of statistical data with extrapolation of results.
()	3. Sector angle measurement = Sector value × 180 total summation
(   )	4. Range = largest value + smallest value
()	5. Contrast is a dispersion measure
()	6. The trend is a measure of centralism
()	7. The arithmetic mean is the most common value
()	8. Category Length = Number of Categories Term
()	9. A median is the value that mediates a set of data without having to sort it
()	10. The arithmetic mean is affected by extreme values

Q2 : If you have two samples for the grades of students obtained in some courses in the Faculty of Law as follows:

                                                                             (Grades 5 ( 1) CLO 8: C2, CLO 9: C3 )

	60	90	50	70	50	Student Sample (1 ):
70	60	50	70	70	50	Student Sample (2 ):

Required:

1- Calculate the measures of central tendency ( arithmetic mean, median, mean) for each student.

2- Calculate scattering parameters (range, variance, standard deviation, variation coefficient) per student.

Answer 1

X bar : Arithmetic mean