Question 1

What is the mode of the frequency table given below?

Accepted Answer

h is equal to or greater than 170 and smaller than 180.

Answer

h is equal to or greater than 180 and smaller than 190.

Answer

10

Answer

8

Question 2

Lana`s mathematics test grades are 87,93, 89 and 85. What score must she get on the fifth test in order to get a mean of 90 for the term?

Accepted Answer

96

Answer

73

Answer

85

Answer

94

Question 3

Find the range, the median, the lower quartile, the upper quartile and the interquartile range of this set of scores.

Accepted Answer

82,68,52,87,35

Answer

82,68,54,87,53

Answer

82,78,34,87,53

Answer

68,82,87,52,35

Question 4

Estimate the time a student must listen to music to be in the top 10 percent.

Accepted Answer

36

Answer

5.5

Answer

33

Answer

10

Question 5

Which of the following is incorrect?

Accepted Answer

If you add a constant value k to all the numbers in a list the arithmetic mean and the standard deviation remains same.

Answer

If you add a constant value k to all the numbers in a list the arithmetic mean increases by k and the standard deviation remains same.

Answer

If you divide all the numbers in a list by a constant value k the arithmetic mean and the standard deviation are divided by k.

Answer

If you multiply all the numbers in a list by a constant value k the arithmetic mean and the standard deviation are multiplied by k.

Question 6

A data set has the following known measures of  center and spread. Determine the new value of each measures if every member of the data set is increased by 2.

Accepted Answer

11,9,13,6

Answer

5,5,11,4

Answer

11,9,9,8

Answer

9,7,13,6

Question 7

Use your GDC to solve the given equation.

Accepted Answer

0.586 or 3.41

Answer

0.544 or 3.86

Answer

4 over 3 or 2

Answer

-1 or 2

Question 8

For the following graph state the domain and range respectively.

Accepted Answer

x is equal to or less than 8, y is equal to or greater than -2.

Answer

x is equal to or less than 8, y is equal to or greater than 3.

Answer

x is equal to or more than 8, y is equal to or greater than -2.

Answer

x is equal to or more than 8, y is equal to or greater than 3.

Question 9

Consider the function given below. Find the asymptotes of the function.

Accepted Answer

The vertical asymptote is x=2, horizontal asymptote is y=4.

Answer

The vertical asymptote is x=6, horizontal asymptote is y=2.

Answer

The vertical asymptote is y=2, horizontal asymptote is x=4.

Answer

The vertical asymptote is x=2, horizontal asymptote is y=6.

Question 10

Read the following instruction and try to solve it.

Accepted Answer

true, false, false, true

Answer

true, false, false, false

Answer

false, false, true, true

Answer

false, true, false, true

Question 11

Expand and hence evaluate the following.

Accepted Answer

140

Answer

139

Answer

27

Answer

99

Question 12

A sequence is defined by the following equation. State the first term of the sequence which is less than -200.

Accepted Answer

fifty fourth term

Answer

fifty second term

Answer

forty first term

Answer

forty third term

Question 13

Use your GDC to answer the question.                                                                                                             In 2004 there were 3000 iguanas on a Galapagos island. Since then, the population of iguanas on the island has increased by 5 percent each year. How many iguanas were on the island in 2007?

Accepted Answer

3470

Answer

3455

Answer

3224

Answer

3050

Question 14

Use your GDC to answer the question.                                                                                                       Find the coefficient of x to the power of negative six in the expansion of the following.

Accepted Answer

43110144

Answer

59136

Answer

46656

Answer

44431232

Question 15

Use your GDC to solve the following question.

Accepted Answer

(-2,-25)

Answer

(-1.34, 22)

Answer

(6,25)

Answer

there is no such a point.

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