Foundation B Question 6 bar chart Question 7 frequency table and pictogram

1. Foundation B Question 6 bar chart Question 7 frequency table and pictogram Question 8 interpret two way table Question 9X relative frequency Question 9 observation sheet

2. 72oF July 1. The dual bar chart shows the maximum temperatures in England and in Spain over four months. • What was the maximum temperature in England in June? • Which of these months had the highest temperature in Spain?

3. (c) What was the difference in maximum temperature between England and Spain in August? (d) Which of these months shows the largest temperature difference in the maximum temperature between England and Spain? (e) Sita says “The graph shows me that the maximum temperature each month for the whole year in Spain is over 80oF” Is she correct? Give a reason for your answer. 88 – 80 = 8o May She is not correct. For these four months the maximum is over 80, but we do not know about the other eight months which are likely to be lower.

4. 7. The number of cars parked in an office car park is recorded in the tally chart below. • Complete the frequency column. • Calculate the total number of cars • parked during these five days • (c) On which day were most cars parked? • (d) How many more cars were parked • on Friday than on Wednesday? 8 6 16 10 12 + 8 + 6 + 16 + 10 = 52 Thursday 10 – 6 = 4

5. Monday   Tuesday   Wednesday   Thursday    Friday   (e) Complete the pictogram to represent the information in the tally chart. Use the symbol  to represent 4 cars 8 6 16 10

6. 7 3+2+1=6 2+2+2+1=7 8. A group of 40 children are asked how many dogs and cats they own. The results are shown in the table. • How many children own two cats but no dog? • How many children own two dogs? • How many children own three of these animals?

7. colour red blue green yellow Relative frequency I would expect 35 blue cards • 9X. Twenty pupils each shuffle a pack of coloured cards and choose a card at random. The colour of the card is recorded for each pupil. • R=Red, B=Blue, G=Green, Y=Yellow • B Y Y G R • G R Y B B • Y R B B Y • B B G R Y (a) Use these results to calculate the relative frequency of each colour (b) Use the results to calculate how many times you would expect a blue card if 100 pupils each choose a card at random

8. Buy lunch in the restaurant Bring a packed lunch Go out of college tally 1111 111 1111 1111 11 total 8 5 7 • 9. Michelle wants to find out if students buy lunch in the college restaurant, bring a packed lunch or go out of college for lunch. • (i) Design an observation sheet for Michelle to record the data. • (ii) Complete your observation sheet by inventing data for 20 students. (b) Michelle decides to stand outside the college restaurant at 12 noon to collect her data. Give a reason why this is not a suitable place to carry out the survey. Every student in college must have an equal chance of being in the sample. Michelle’s sample is biased towards students who eat in the college restaurant