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Productive Investments Limited provided the
returns for Laska stocks for 2017 to 2021. Use the
information supplied to answer the questions below.
Year
2017
2018
2019
2020
2021
Laska return
-2.2%
-3.4%
12.5%
-0.8%
8.6%
a) Calculate the range of the market returns. (2
Marks)
b) Calculate the mean market return for 2022 (2
Marks).
c) Calculate the variance of the market returns (6
Marks).
d) Calculate the standard deviation of the market
returns (2 Marks).
e) Comment on your results (4 Marks).
Sagot :
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