Quiz: Chapter 3 Review Quiz 1 of 10 This and the data set a) Detemine the and st
ID: 3047830 • Letter: Q
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Quiz: Chapter 3 Review Quiz 1 of 10 This and the data set a) Detemine the and standand deviation of ach The mesn of the daa set for bond m fds 32 18 94 76 19 34 24 27 72 16 20 (Type an ininger or decimal ounded to treeplces as needed) (Type an insager or deoimal rounded to thre deial as ended) Type an integer or deomal rounded to tvee deoimal places as neeced Type an renger -rounded to free de nal es as med d ) What proporion o the bond mn ineger or decimal rounded to tvee decimal placs as needed )Explanation / Answer
(A) Mean and standard deviation of each data set
Mean for bond mutual funds is 2.375
Standard deviation for bond mutual funds is 0.669
Mean for stock mutual funds is 8.0125
Standard deviation for stock mutual funds is 0.903
(b) Here based on stadard deviation, Stock mutual funds have more spread.
(c) Here for Bond mutual funds
one standard deviation away values are = (2.375 - 0.669, 2.375 + 0.669) = (1.706, 3.044)
Here out of 8, there are 5 values under one standard deviation so proportion are 5/8 = 0.625
Here for stock mutual funds
one standard deviation away values are = (8.013 - 0.903, 8.013 + 0.903) = (7.109, 8.916)
Here out of 8, there are 5 values under one standard deviation so proportion are 5/8 = 0.625
(d) Here for Bond mutual funds
Coefficient of Variation CV = / = 0.669/2.375 = 0.282
for Stock mutual funds
Coefficient of Variation CV = / = 0.903/8.013 = 0.113
Here as per CV, bond mutual funds have more spread.
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