Question: cant solve this please help The time that customers who come to a restaurant for dinner on a certain day are given in minutes.Time is

cant solve this please help

The time that customers who come to a restaurant for dinner on a certain day are given in minutes.Time is continuous. Then we have continuous observations. Class limits Class frequency 15 less than 20 4 20 less tahan 25 5 25 less than 30 10 30 ess than 35 35 less than 40 40 less than 45 a) _Complete the frequency distribution (table) (percetage frequencies. cumulative frequencies, class midpoints b) Draw the frequency histogram and OGIVE. c) Find the weighted mean

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