Daily Practice · Foundation
October 2017 5-a-day
Printing for a group?
The batch download puts all 2 tiers' October 2017 sheets in a single PDF, each tier behind its own divider page - 62 sheets in one file.
Every sheet in October 2017
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2017A 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.
- 2nd October 2017Group A has 4 items with mean 12. Group B has 4 items with mean 20. Find the combined mean.
- 3rd October 2017The 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.
- 4th October 2017A bar chart shows 3 bars: Dogs 12, Cats 9, Rabbits 5. How many pets are shown in total?
- 5th October 2017Using the same diagram (0|5 8, 1|2 2 6, 2|1), what is the range?
- 6th October 2017A 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?
- 7th October 2017What is the purpose of the key on a choropleth map?
- 8th October 2017A 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.
- 9th October 2017Which spreadsheet formula would you use to find the total of the values in cells B2 to B20?
- 10th October 2017A supermarket wants to know if a new till layout reduces queuing time. Write a suitable statistical question for the start of the enquiry cycle.
- 11th October 2017Give one disadvantage of an observation study.
- 12th October 2017Two 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?
- 13th October 2017A 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?
- 14th October 2017Using two fair six-sided dice added together, how many ways can you score a total of 7?
- 15th October 2017Find the midpoint of the class interval 10-20.
- 16th October 2017A company's yearly profits are 10, 12, 11, 15, 14 thousand pounds over five years. Describe the general trend.
- 17th October 2017Out 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?
- 18th October 2017A 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).
- 19th October 2017A 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.
- 20th October 2017Find the midpoint of the class interval 30-50.
- 21st October 2017What is wrong with the question 'Do you not think school lunches are too expensive?'
- 22nd October 2017Find the 3-point moving average of 14, 18, 20.
- 23rd October 2017A card is drawn at random from a normal 52-card pack. Find P(drawing a King or a Queen).
- 24th October 2017A 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?
- 25th October 2017Name the five values needed to draw a box plot.
- 26th October 2017Give one reason you might choose to keep an outlier in a data set rather than remove it.
- 27th October 2017A region records 90 crimes in a population of 45,000. Find the crude crime rate per 1000 people.
- 28th October 2017A 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?
- 29th October 2017A 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.
- 30th October 2017Class A has a mean test score of 62 and Class B has a mean of 58. Which class did better on average?
- 31st October 2017A rent index shows 2019 = 100 and 2024 = 118. Find the actual rent in 2024 if the 2019 rent was 650 pounds.