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STATISTICS HOMEWORK ASSIGNMENT

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Calculus

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DAR ES SALAAM INSTITUTE OF TECHNOLOGY DEPARTMENT OF BUILDING AND CIVIL ENGINEERING GST 05204 INTEGRATION STATISTICS AND PROBABILITY ASSIGNMENT FOR OD 12 GROUP WORK STREAM C1 NAME ADMISSION NO: ISMAIL A. SIMBA 120121191003 IGNASS M. KWAI 120121161073 BAHAYE S. KASALA 120121101037 GEOFREY KAHOLWE 120121461117 KELVIN MATERU 120121121071 SOLUTIONS. 1. a. Mode is the most commonly occurring value in a set. For example in a set of numbers 4, 5, 7, 9, 4, and 10. The mode is 4. b. Mean is found by adding together the values of the members in a set and dividing the answer by the number of members in a set: where = Mean, = sum of values of members in the set and = number of members in the set. c. Median is obtained by first arranging the members of the set in ascending order of magnitude and then selecting the middle member for an odd numbered set, or finding the mean value of the two middle members for an even numbered set. d. Range is the difference between the highest valued member and the lowest valued member in a set. e. Class Interval is the difference between the upper and lower class boundary value. f. Class Boundary is obtained by adding 0.5 to the upper class limit or subtracting 0.5 from the lower class limit to obtain upper class. The first will give you upper class boundary while the later will give you lower class boundary. g. Class Size is the difference between the upper class limit and the lower class limit. h. Standard Deviation is the ro ...
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