53. The one-year return (in %) for 24 mutual funds is as follows: -14.5 -5.0 -3.7 2.5 -7.9 - 11.2 4.8 -16.8 9.0 6.5 8.2 5.3 -12.2 15.9 18.2 25.4 3.4 -1.4 5.5 -4.2 -0.5 6.0 -2.4 10.5 a. Construct the frequency distribution using classes of -20 up to -10, -10 up to 0, etc. b. Construct the relative frequency, the cumulative frequency, and the cumulative relative frequency distributions. c. How many of the funds had returns of at least 0% but less than 10%? How many of the funds had returns of 10% or more? d. What percentage of the funds had returns of at least 10% but less than 20%? What percentage of the funds had returns less than 20%