Daily Practice · Foundation
November 2020 5-a-day
Printing for a group?
The batch download puts all 2 tiers' November 2020 sheets in a single PDF, each tier behind its own divider page - 60 sheets in one file.
Every sheet in November 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 2020A pilot survey shows that many respondents left a question blank. What might this suggest about the question?
- 2nd November 2020A researcher records the exact temperature of 30 cups of tea to the nearest 0.1 degrees C. State the type of data, giving two features.
- 3rd November 2020Group A has 4 items with mean 12. Group B has 4 items with mean 20. Find the combined mean.
- 4th November 2020The number of pets owned by 15 households, recorded as collected, is: 0,1,2,1,0,3,1,2,0,1,1,2,0,1,2. Complete a frequency table for the number of pets and state the total frequency.
- 5th November 2020A bar chart shows 3 bars: Dogs 12, Cats 9, Rabbits 5. How many pets are shown in total?
- 6th November 2020Using the same diagram (0|5 8, 1|2 2 6, 2|1), what is the range?
- 7th November 2020A cumulative frequency graph shows that a cumulative frequency of 45 corresponds to a value of 60 on the horizontal axis, out of 90 total data values. How many data values are above 60?
- 8th November 2020What is the purpose of the key on a choropleth map?
- 9th November 2020A data set of 50 exam scores has the 20th percentile at 42 marks and the 80th percentile at 78 marks. Explain what these two values tell you about the middle 60% of scores.
- 10th November 2020Which spreadsheet formula would you use to find the total of the values in cells B2 to B20?
- 11th November 2020A supermarket wants to know if a new till layout reduces queuing time. Write a suitable statistical question for the start of the enquiry cycle.
- 12th November 2020Give one disadvantage of an observation study.
- 13th November 2020Two classes have the same median test score. Class A has IQR = 6 and Class B has IQR = 15. Which class's scores are more consistent, and why?
- 14th November 2020A pictogram has a key of 1 symbol = 4 people. A town has 22 people who play chess. How many symbols, including any part-symbol, should be drawn?
- 15th November 2020Using two fair six-sided dice added together, how many ways can you score a total of 7?
- 16th November 2020Find the midpoint of the class interval 10-20.
- 17th November 2020A company's yearly profits are 10, 12, 11, 15, 14 thousand pounds over five years. Describe the general trend.
- 18th November 2020Out of 200 people who ate a certain meal, 10 became ill. What is the risk of becoming ill, as a fraction in its simplest form?
- 19th November 2020A class has 12 boys and 8 girls. One student, a girl, leaves the room. A second student is then chosen at random from those remaining. Find P(second student chosen is a girl given the first was a girl).
- 20th November 2020A newspaper bar chart showing company profit over 5 years has no vertical axis labels or scale, just bars of different heights. Explain the problem with this.
- 21st November 2020Find the midpoint of the class interval 30-50.
- 22nd November 2020What is wrong with the question 'Do you not think school lunches are too expensive?'
- 23rd November 2020Find the 3-point moving average of 14, 18, 20.
- 24th November 2020A card is drawn at random from a normal 52-card pack. Find P(drawing a King or a Queen).
- 25th November 2020A histogram for exam scores has bars of equal width 10 marks, covering 0-10, 10-20, 20-30, 30-40, with heights 2, 8, 15, 5. How many students took the exam?
- 26th November 2020Name the five values needed to draw a box plot.
- 27th November 2020Give one reason you might choose to keep an outlier in a data set rather than remove it.
- 28th November 2020A region records 90 crimes in a population of 45,000. Find the crude crime rate per 1000 people.
- 29th November 2020A youth club has 45 members under 13 and 75 members aged 13 to 17 (120 total). A stratified sample of 40 members is needed. How many aged 13 to 17 should be sampled?
- 30th November 2020A different table shows test scores out of 5 for 30 students: 1 (freq 3), 2 (freq 5), 3 (freq 9), 4 (freq 8), 5 (freq 5). Find the mean score.