Assignment (Q)

Introduction to Statistics Assignment

Answer ALL questions in this section.For excel file, change the header to “Assignment” and footer to “Your Name and TP Number”.

QUESTION 1 (20 marks)

(a)

The following shows the transactions where more than 90 units were sold for a total of more than $280. Based on the table, solve the followings:

(i) what is the formula to find the quantity of mascara sold?(2 marks)

(ii) what is the formula to find the quantity of eye liner sold? (2

marks)(iii) what is the formula to find the quantity sales made in midwest?

(2 marks)

(iv) what is the formula to find the total amount of lipstick sales? (2 marks)

(v) what is the formula to find the total amount of Emilee’s sales? (2 marks)

Certificate Level Asia Pacific Institute of Information Technology 2015

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(b)


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The table above shows the result of the 3 tests of a module called Numerical Skills for a group of 46 diploma students. The weightage of the tests are 30% for Test 1 and 35% for Test 2 and Test 3 respectively. The test results shown in the table are in the total of 100%. (i) Use IF function to complete the column of “STATUS” with “PASS” or “FAIL”. If the

student’s total incourse mark is 50 and above, then the result will display “PASS”. Otherwise the result should display “FAIL”. (3

marks)(ii) Students who get total incourse mark of 85 and above are invited to attend a function

called Dean Award. Use IF function to complete the column of “DEAN AWARD” with “YES” for those who are eligible or “NO” for those who are not eligible.

(3 marks)(iii) What is the formula to find the quantity of student pass in this module?

(1 mark)(iv) What is the formula to find the quantity of student fail in this module?

(1 mark)(v) What is the formula to find the quantity of student invited to Dean Award? (1 mark)(vi) What is the formula to find the quantity of student pass but not invited to the Dean Award? (1 mark)

QUESTION 2 (40 marks)


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(a) The following table shows the monthly sales of two products. Sales 1 shows the monthly sales of product 1 and Sales 2 shows the monthly sales of product 2.

MonthSales 1

($)Sales 2

($)Jan 8,627 8,452Feb 5,343 6,801Mar 6,244 5,497Apr 9,451 10,329May 6,698 5,995Jun 6,752 8,103Jul 5,985 6,386

Aug 5,586 5,047Sept 8,476 8,641Oct 9,191 10,696Nov 7,242 6,914Dec 8,277 9,004

(i) Construct a scatter graph for the sales of two products from January to June.(8 marks)

(ii) Construct a horizontal component bar chart for the sales of two products from July to December.

(13 marks)(iii) Construct a line chart for the sales of product 1 from January to December.

(8 marks)

(b) The table below shows the actual and target sales for January to July. Draw a vertical multiple bar chart to represent the data given.

Month Actual TargetJan 1331 1417Feb 1606 1457Mar 1624 1488Apr 1225 992May 1202 1339Jun 1618 1334Jul 909 930

(11 marks)

QUESTION 3 (40 Marks) A survey on weights and heights of 40 participants aged 15 to 55 has been made and the following data were obtained.


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Based on the table above, solve the followings:

(a) complete the column of “Height (m)” given that 1m = 100cm. (For example, 162cm/100 = 1.62m)


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(3 marks)(b) complete the column of “Height2 (m2)”. Give your answer to 4 decimal places. (For example, 1.62m x 1.62m = 2.6244m2.)

(4 marks)

(c) complete the column of “BMI” given that BMI=weight in kilogram

height in meter2.

Give your answer to 1 decimal place. (4 marks)

(d) by using the tables below, write down each formula for all the columns. You can use“COUNTIF” functions in order to answer the questions.

(29 marks)


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