I If Two or More Series of Index Numbers Have

question 39

Multiple Choice

i. If two or more series of index numbers have the same year as the base period, then they can be
Compared directly.
ii. When two or more series of index numbers to be compared do not have the same base period,
We select a common base period for all series. Then we use the respective base numbers as the
Denominators and convert each base to the new base.
iii. Canada pension plan payments and old age security pensions are periodically adjusted based
On the Consumer Price Index.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Quartiles

Divisions of a data set that mark three points to divide the data into four equal parts, each representing a quarter of the dataset.

Histogram

A graphical representation of data using bars of different heights to show the frequency of data in different intervals.

Interquartile Range

The difference between the 75th and 25th percentiles of a data set, representing the spread of the middle 50% of values.

25th Percentile

The value below which 25% of the observations in a group of data fall, commonly referred to as the first quartile.