Mean and Mode from Frequency Tables 1. Major carried out a survey of the number of school dinners students had in one week. The table shows this information. Complete the table. a) Write down the mode. b) How many students were there altogether? c) How many school dinners were served during the week? d) Calculate the mean number of school dinners Number of school dinners 0 1 2 3 4 5 Frequency 0 8 12 6 4 2 2. Josh asked some adults how many cups of coffee they each drank yesterday. The table shows his results. Complete the table a) Write down the mode. b) How many adults were asked altogether? c) How many cups of coffee were drank altogether yesterday by the people asked? d) Calculate the mean number of cups of coffee drank yesterday. Number of cups 0 1 2 3 4 5 Frequency 5 9 7 4 3 2 3. The table gives some information about the number of tracks on each CD. Complete the table. Number of Frequency tracks a) Write down the mode. 11 1 b) How many CDs were there? 12 3 c) How many tracks were there on these CDs? 13 0 d) Calculate the mean number of tracks per CD. 14 2 15 4 4. Sarah works in a post office. She recorded the number of parcels posted on each of 16 days. Here are her results. Number of 2 2 5 3 2 4 2 2 parcels 3 6 4 6 2 2 3 3 2 3 a) Coomplete the frequency table to 4 show Sarah’s results. 5 b) Write down the mode. 6 c) Work out the range. d) Calculate the mean. Tally Frequency 16 14 12 10 8 6 4 2 0 5. Some students were asked how many pets they owned. The results are given in the bar chart below. a) Use the graph to complete the table Number of pets 0 1 2 3 4 5 Frequency 0 1 2 3 4 5 b) Write down the mode c) How many students were asked altogether? d) How many pets are owned, in total, by all the students. e) Find the mean number of pets owned. 6. The table gives information about the number of goals Number of goals 0 1 2 3 4 scored by a football team in each match last season. a) Write down the modal number of goals scored. b) Work out the total number of goals scored by the team last season. c) Work out the mean number of goals scored last season. Frequency 4 5 4 7 4 6. The table gives information about the number of cars sold by a company each day over a period of 20 days. a) Write down the modal number of cars scored. c) Work out the mean number of cars sold during this time. Number of cars sold daily 6 5 Frequency b) Work out the total number of cars sold over the 20 day period. 7 4 3 2 1 0 0 1 2 3 Cars sold in one day 4 5