1. Distinguish between
2. Descriptive statistics and inferential statistics
3. Kurtosis and Skewness
4. Discrete variable and continuous variable (6 Marks)

1. The number of goals scored in a series of football matches were as follows

Number of goals	1	2	3	4	5
Number of teams	3	4	1	2	x

If the mean number of goals is 3.25, find x. (5 Marks)

Hence calculate the geometric mean. (4 Marks)

1. The following are Marks of 30 students;

53,39,83,44,79,48,28,61,27,33,85,71,83,73,57,

67,52,81,54,52,35,23,73,38,65,58,59,44,84,52.

Draw a stem and leaf diagram for the above data. (5 Marks

1. Define the statistical term 'histogram'. Draw a histogram for the following distribution.

Height(inches)	60-62	63-65	66-68	69-71	72-74
No. of students	5	18	42	27	8

(4 Marks)

There are three candidates for the position of a head teacher-Ochieng, Abdul and Njeri, whose probabilities of getting the appointment are and respectively. The probability that Ochieng if selected will introduce co-education in the school is 0.3. The probability of Abdul and Njeri doing the same are respectively 0.5 and 0.8. What is the probability that there will be co-education in school? (4 Marks)

1. Explain the four levels of measurements. (2 Marks)