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2. The frequency table shows information about the number of children living in each house on a street. Number of children Frequency Mean daily temperature, t(°C) Frequency a. b. a. b. C. 0 Time, t (minutes) Frequency 16 19 Work out the mean, median and modal values of the number of children in each house in the street. 1 3. The grouped frequency table shows information from the large data set about the mean daily temperature in Heathrow between May and October 2015. 14 23 13 0

2. The frequency table shows information about the number of children living in each house on a street. Number of children Frequency Mean daily temperature, t(°C) Frequency a. b. a. b. C. 0 Time, t (minutes) Frequency 16 19 Work out the mean, median and modal values of the number of children in each house in the street. 1 3. The grouped frequency table shows information from the large data set about the mean daily temperature in Heathrow between May and October 2015. 14 23 13 0

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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2. The frequency table shows information about the number of children living in each house on a street. 4. Number of children Frequency Mean daily temperature, t(°C) Frequency a. b. a. b. C. d. 16 Work out the mean, median and modal values of the number of children in each house in the street. 3. The grouped frequency table shows information from the large data set about the mean daily temperature in Heathrow between May and October 2015. 19 Time, t (minutes) Frequency 23 13 43 0<t≤30 14 3 8<t<12 12<t<14 14<t≤16 16<t≤18 11 41 52 4 6 30<t≤60 60<t<90 33 32 The table shows the time (t) in minutes that people left their cars in a supermarket car park. 5 Work out the class interval that contains the median of these data. Calculate an estimate of the overall mean daily temperature between May and October. Give your answer to 3 significant figures. 1 18<t≤20 27 36 90<t<120 Explain why your answer is an estimate. What is another name for the 75th percentile? Why is it not possible to estimate the 90th percentile of this data? 20<t≤29 12 120<t 15 Use interpolation to estimate the 75th percentile of the time that cars were left in the car park. 5. The mean maximum daily temperature for the last week in August was 23°C and the mean for the first ten days in September was 20°C. What is the overall mean maximum daily temperature for these seventeen days?
Transcribed Image Text:2. The frequency table shows information about the number of children living in each house on a street. 4. Number of children Frequency Mean daily temperature, t(°C) Frequency a. b. a. b. C. d. 16 Work out the mean, median and modal values of the number of children in each house in the street. 3. The grouped frequency table shows information from the large data set about the mean daily temperature in Heathrow between May and October 2015. 19 Time, t (minutes) Frequency 23 13 43 0<t≤30 14 3 8<t<12 12<t<14 14<t≤16 16<t≤18 11 41 52 4 6 30<t≤60 60<t<90 33 32 The table shows the time (t) in minutes that people left their cars in a supermarket car park. 5 Work out the class interval that contains the median of these data. Calculate an estimate of the overall mean daily temperature between May and October. Give your answer to 3 significant figures. 1 18<t≤20 27 36 90<t<120 Explain why your answer is an estimate. What is another name for the 75th percentile? Why is it not possible to estimate the 90th percentile of this data? 20<t≤29 12 120<t 15 Use interpolation to estimate the 75th percentile of the time that cars were left in the car park. 5. The mean maximum daily temperature for the last week in August was 23°C and the mean for the first ten days in September was 20°C. What is the overall mean maximum daily temperature for these seventeen days?
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