## (a) Consider the following measurements:

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8, 9, 11, 5, 12, 17, 7, 23, 39, 15 REQUIRED: Calculate measures of Central Tendency; Mean, Medium and Mode.   (b) At what rate will a man get a simple interest of TZS.1,071 on a principal of TZS.2,550 in 3 years? (c) Suppose you ...

## (a) Line L is perpendicular to line joining points (-3, 2) and (5, 6) and it passes through intersection of the lines 2x – y = 1 and 3x + 3y = 6.

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REQUIRED: Determine the linear equation of the line L. (b) Using Complementary; (i) how can you find the net cost equivalent of 35/20 series discount, and hence (ii) Explain why 35/10/10 is not equal to 35/20?   (c) The sum of three consecutive positive integer, x ...

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## Solve the following equations:

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(i) 6x^2 – 7x – 5 = 0 (ii) U = 3V U = 15 – 2V

## Suppose TZS 100,000 is deposited in a bank whose interest rate is 12% per year, compounded is done quarterly for 7 years.

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REQUIRED: Find the amount that the bank owes the investor at the end of 7 years.

## For each of the following statements, state whether the statement is true or false. Indicate your answer by writing “TRUE” for the correct statement and “FALSE” for the incorrect statement in your answer booklet.

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(i) A sample space is a set of all possible outcomes of an experiment. (ii) Marginal cost equals the slope of the quadratic equation. (iii) The minimum value of any function is obtained when the slope of the function is positive. (iv) Transpose ...

## Given the following items, you are required to pair each item from LIST A with the statement from LIST B appropriately. In pairing the items with statements, write the letter from list B against the corresponding roman number in list A in your answer booklet.

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LIST A i. Annuity ii. Bar chart iii. Polygon curve iv. Matrix v. Arithmetic Progression   LIST B A. Is a graphical device for understanding the behavior of the distribution. B. A fund formed by periodically setting aside money for the gradual repayment of a debt or ...

## Range in statistics can be defined as:

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A. the term with highest frequency B. the smallest value in the distribution C. the difference between the highest and lowest data values D. is a data which divide the population into two equal parts

## An arrangement of finite number of objects taken some or all at a time is called:

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A. Arithmetic progression B. Combination C. Sequence D. Permutation

## If f(x) = 2x + 9, and f(a) = 7, then “a” equals to:

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A. 23 B. 8 C. -1 D. 7