TASK 1:

Directions:Arrange the following scores from highest to lowest then indicate the rank of each score

1. 45 67 43 45 54 40 45 67 50

2. 80, 87, 80, 82, 87, 82, 80, 87, 81, 85, 82, 80, 88, 89. 87

3. Score frequency

84 2

81 4

79 1

74 3

72 1

70 3

TASK 2:

Compute the Mean, Median and Mode of the following sets of scores.

1. 45 67 43 45 54 40 45 67 50

2. 80, 87, 80, 82, 87, 82, 80, 87, 81, 85, 82, 80, 88, 89. 87

3. Score frequency

84 2

81 4

79 1

74 3

72 1

70 3

4. age f

24 - 26 3

20 - 23 2

15 - 19 1

12 - 14 2

9 - 11 1

TASK 3:

1. Compute the Mean, Median and Mode of the following sets of scores.

class steps f CF

60 - 62 5

57 - 59 8

54 - 56 7

51 - 53 6

48 - 50 5

45 - 47 3

42 - 44 4

39 - 41 2

36 - 38 2

Mean =

Median =

Mode =

2. Tally the following scores using the given class steps then compute the mean, median and mode. Make also the graph of the given scores using class steps in x -axis and the frequencies in the y-axis.

80 74 65 32 41 39 62 50 48 70

24 30 38 27 32 39 44 51 57 62

60 62 68 71 86 80 84 72 79 41

55 52 81 74 62 34 39 42 48

Distribution Table:

class steps tally f CF

84 - 90

77 - 83

70 - 76

63 - 69

56 - 62

49 - 55

42 - 48

35 - 41

28 - 34

TASK 4:

Compute the Pearson r and Spearman rho to of the given scores to know if performance in Mathematics of grade V pupils relates significantly in their performance in Science.

Pupils X y RX Ry D D2 xy (Math) (Science) 40 32 15 16 3 18 22 4 32 40 28 35 34 39 45 31 16 19 9 25 30 10 30 34 11 36 28 12 20 21a. C. . b. d.a. C. b. d.