19/03/2020 Statistics(Study by Topics Junior Class) 19/03/2020 0Comments by Gate Academy Welcome to your Statistics(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER The mean ages of five pupils whose ages are 5, 6, x, 7, and 12 is 7 years. Find the median age. 12 years 5 years 4 years 7 years 6 years Calculate the mean of the following numbers.10, 2, 3, 6, and 4 4 7 5 3 6 Find the median of the set of numbers 5, 6, 3, 4, 6, 5, 5, 7, 3 7 6 4 5 3 The histogram shows the number of minutes students at Marlowe Junior High typically spend on household chores each day. How many students spend 61-80 minutes on chores? 11 10 12 13 Which of these is another name for arithmetic average? Mean Range Median Mode Standard deviation Find the mean in the following numbers: 9, 8, 15, 8, 20 12 10 15 16 What is the median in the following numbers: 19, 21, 18, 17, 18, 22, 46 19 15 22 21 The table below gives the distribution of the ages (in years) of 30 students in a school club.Calculate the mean. 11.7 5 6 11 7 Consider the following frequency table for the number of pets in a class:How many students were surveyed? 32 26 30 28 A basketball team had averaged 22.6 goals per match after 5 matches. After their sixth match, the average had dropped to 22.5. How many goals did they score in that latest match? 22 18.5 20 15 What is the mean of these numbers: 40, 32, 48, 56, and 60? 57.2 43.8 49.5 47.6 47.2 Consider again the frequency table for the number of pets in a class:What is the average number of pets per family in this class? Give your answer correct to one decimal place. Dylan found the mean and median of this list of numbers: 1, 3, 3. If the number 6 were added to the list, then... The mean would decrease. The median would decrease. The median would increase. The mean would increase. Considering the list of numbers;2.3, 1.2, 8.6, 9.9, 10.0, what is the range? 8.6 1.2 8.8 10.0 Find the mean in the following numbers: 36, 38, 33, 34, 32, 30, 34, 35 44 74 34 54 Find the mean in the following numbers: 19, 21, 18, 17, 18, 22, 46 500 16 23 19 For the set of numbers 2, 3, 5, 6, 7, 7, 8. The mean is greater than the mode The median is greater than the mode The median is equal to the mean The mean is greater than the median The mean is less than the median A shop sells eggs in boxes of six. 25 boxes of eggs are examined. The table below gives the number of broken eggs in the boxes.Calculate the mean number of broken eggs. 1 0.48 0.96 0.24 0 A school council holds an election to choose the new president. Every member of the council casts a vote. This is an example of a census. True False 8, 5, 9, 6, 2, 4, 8, 0The mean of the above number is 5.5 7 4 6 None of these 1 out of 20 Time is Up! Time's up