Although women hold slightly more than half of US managerial positions, they hold far fewer of the top executive positions. To counteract this imbalance, some colleges are offering executive education courses for women only. Participants, such as Johson & Johnson, praise these programs for helping women network and gain confidence. What do you think of these programs? Are they ethical? Would you feel differently if they were held for men only? Why? Support your opinion with concrete examples from your own and outside research. Document your answer using APA format.

Q9. A firm keeps account for 28 customers. 12 of these are defined as new customers and 14 are locally based. If just 3 new customers live locally, how many established customers do not live locally?

Q10. A haulage contractor has two loads to deliver to separate customers. He has 4 trailers of which 2 are new. If the trailers are randomly chosen for any particular delivery:

(a) In how many ways can the trailers be allocated the deliveries?

(b) In how many ways can the trailers be allocated the deliveries such that exactly one new trailer is used?

(c) What is the probability that exactly one new trailer is used?

Q11. The data given below represent the annual gross revenue (N’millions) obtained by a telephone company over the periods 1987 – 1996:

Year Gross Revenue (N’million)

1987 13.0

1988 14.1

1989 15.7

1990 17.0

1991 18.4

1992 20.9

1993 23.5

1994 26.2

1995 29.0

1996 32.8

(a) Plot the data on a graph paper

(b) Fit a least-squares trend line to the data and plot the line on your graph

(c) What are your trend forecasts for the years 1999, 2001, 200, and 2006?

Q12. The following data present the gross income of a given category of family compared with the Retail Price Index over a seven year period:

Year: 1998 1999 2000 2003 2004 2005 2006

Family

Income

(N’000s): 10000 12105 12809 13600 13911 14001 14500

Retail

Price

Index: 134.8 157.1 182.0 197.1 223.5 263.7 295.0

(a) Compute the indices of real gross income (1998 = 100)

(b) Compute the indices of real gross income using the Retail Price Index as indicator.

Q13. A survey of household expenditures shows the following changes over the same week in each of three years for an average family:

Item Unit Quantity Price

Purchased (N)

Year 1 Year 2 Year 3 Year 1 Year 2 Year 3

Sugar kg 4kg 6kg 2kg 120 128 150

Bread Loaf 4 10 15 100 120 180

Tea kg 0.5 1.2 3.0 60 65 90

Milk Pint 25 30 25 68 72 100

Butter kg 2 5 8 200 205 260

(a) Using year 1 as the base period, compute index numbers for years 2 and 3, using the Laspeyres method.

(b) State and explain whether a survey based on these items represents a reasonable assessment of changes in the cost of food over the three years.

*********** * THE END************

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