Here are the number of hours that 9 students spend on the computer on a typical day:1 6 7 6 8 11 6 12 15The data from the above 9 students form what type of distribution? Ultimodal Unimodal Bimodal

Here are the number of hours that 9 students spend on the computer on a typical day:1 6 7 6 8 11 6 12 15Which of the following represents the mean number of hours spent on the computer? 6.0 7.0 8.0 9.0

n a recent survey, 150 third-level students in Cork were asked to state how many hours they spent onthe internet in the first week of May. Results were as follows:Time spent on internet (hours) Number of students≥ 0 𝑎𝑛𝑑 < 5 30≥ 5 𝑎𝑛𝑑 < 10 55≥ 10 𝑎𝑛𝑑 < 15 31≥ 15 𝑎𝑛𝑑 < 20 29≥ 20 𝑎𝑛𝑑 < 25 5(a) Draw a histogram for this distribution.[6 marks](b) Calculate, correct to one decimal place, the mean time spent on the internet

The following data show the number of hours worked by 200 statistics students.Number of Hours Frequency0 - 9                4010 - 19            5020 – 29            7030 - 39           40The class width for this distribution is ______Select one:a.9b.10c.40d.0

Find the specified probability.The number of hours per week that high school seniors spend on homework is normally distributed, with a mean of 10 hours and a standard deviation of 3 hours. 60 students are chosen at random.Find the probability that the mean number of hours spent on homework for this sample group is between 9.8 and 10.4.

A recent survey asked 90 students, How many hours do you spend on the computer in a typical day?Of the 90 respondents, 3 said 1 hour, 5 said 2 hours, 15 said 3 hours, 25 said 4 hours, 20 said 5 hours, 15 said 6 hours, 5 said 7 hours, 1 said 8 hours, and 1 said 9 hours.What is the average (mean) number of hours spent on the computer?0.544.445