INDEX NUMBER

A company sold 1200 units of brand X smartphones in the year 2015 and 1500 units in the year 2018. Calculate the index number for the number of smartphones sold in the year 2018 based on the year 2015

(a)  

A researcher has collected data on crimes in a city as shown in the following table. Calculate the simple relative average quantity index for year 1999 with 2001 as the base year.

(a)  

Answer explanation

The table shows sales and average price of the garments sold in a boutique. Using 2010 as base year, calculate and interpret the simple relative price index for trousers.

(a)  

Answer explanation

The price of the trousers increased by 30% for year 2016 compared to year 2010.

The table shows sales and average price of the garments sold in a boutique. Using 2010 as base year, calculate and interpret the simple relative quantity index for skirts.

(a)  

Answer explanation

The quantity of the skirts increased by 4% for year 2016 compared to year 2010.

The table reports the prices and quantities of consumption of several items for year 2007 and 2016. Using  2007 as the base, compute and interpret simple aggregate quantity index.

(a)  

Answer explanation

Total quantity increase by 14.3% in year 2016 compared to year 2007

The table shows sales and average price of the garments sold in a boutique. Using 2010 as base year, calculate and interpret the average relative quantity index

(a)  

Answer explanation

The quantity of the garments decreased by 12.04% for year 2016 compared to year 2010.

The price per kg and quantity of vegetables sold in a market for the years 2015 and 2016 are shown in the table. Using 2015 as the base year, find the values of x  and y if  the simple relative price index for cauliflower is 128.57 and the simple relative quantity index for mustard plant is 112.94

(a)  

Answer explanation

The table shows the simple relative price indices for 2 model of car from 2012 to 2016 using 2011 as a base year. Find the price of the model Honda City in year 2016 if the price of it was RM95 000 in years 2011.

(a)  

Answer explanation

The table contains information on quantities and prices of items sold at Suria Electric Shop for 2015 and 2016. Using 2015 as the base year, calculate and interpret the Laspeyres quantity index for 2016

(a)  

Answer explanation

This show the quantities for the three items in 2016 have increased by 20.66% compared to the quantities in 2015.

The table shows the price and quantity of 3 types of sauce sold by a shop for the years 2006 and 2007. By using 2006 as the base year, find the Paasche price index and interpret,                     

(a)  

Answer explanation

The price increase by 7.58% in year 2007 compared to year 2006