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Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip steps.be very clear.NUMBER THE Ans CLEARLY.

The hours spent for watching television in a week by 35 teenagers are shown below: Kiro 14 20 17 36 25 21 31 20 17 13 19 5 8 dulu. 11 25 28 22 18 17 22 4 6 10 16 3 27 31 15 18 17 20 3 6 22 a) Draw a stem and leaf plot and comment the shape of distribution. most speed 17 hours (4 marks) b) Calculate the mean and standard deviation for the above data. (5 marks) c) Find the modal value of data and explain its meaning. (3 marks)QUESTION 1 The masses of 50 catfish in a pond are given in the following table. Mass (in g) Number of catfish 20 - 29 3 30 - 39 5 40 - 49 10 50 - 59 17 60 - 69 12 70 - 79 3 a) Draw a histogram for the above data. (3 marks) b) From the histogram, find the modal value and interpret it. (2 marks) c) Compute the mean and median for the above data. (4 marks) d) Compute the variance and the standard deviation of masses of the catfish. (4 marks) e) Classify the shape of the distribution, Give your reason. (2 marks)