Assignment 2 Semester 2 2026
Unique number:
Due date: September 2026
QUESTION 1: Savings, investment and economic growth [9]
1(a) Correlation between savings and growth [2]
The correlation coefficient was calculated using annual data from 1990 to 2024.
GDP was used as the measure of economic growth because the assessment
dataset provides GDP together with savings and investment. The Excel correlation
formula used was CORREL, and the detailed workings are included in the
accompanying Excel file.
Country Correlation between Savings and GDP
Botswana 0.919229
Kenya 0.957545
, QUESTION 1: Savings, investment and economic growth [9]
1(a) Correlation between savings and growth [2]
The correlation coefficient was calculated using annual data from 1990 to 2024. GDP
was used as the measure of economic growth because the assessment dataset
provides GDP together with savings and investment. The Excel correlation formula
used was CORREL, and the detailed workings are included in the accompanying
Excel file.
Country Correlation between Savings and GDP
Botswana 0.919229
Kenya 0.957545
Botswana correlation results
Figure 1: Excel correlation output for Botswana
Kenya correlation results
Figure 2: Excel correlation output for Kenya
1(b) Comparison of the correlation coefficients [1]
Both countries show a strong positive relationship between savings and GDP.
Botswana has a correlation coefficient of 0.919229, while Kenya has a slightly higher