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Elementary statistics questions part 1.
- 1 The data below represent the temperatures over 28 days in summer. 2 43 97 3 47 5 53 59 11 7 13 61 17 67 7 9 19 71 83 23 73 29 79 41 89 37 83 31 1.1.1 Calculate the range. ( 1 ) 1.1.2 Determine the class interval, if you must represent the data in 10 classes.
- 1 .3 Copy and complete the following table: Temperature Interval ( °∁ ) Tally Frequency Cumulative frequency 0 ≤ 𝑇° ≤ 9 10 ≤ 𝑇° ≤ 19
- 1 .4 Determine the 3 measures of central tendency (mean, median and mode)
- 1 .5 If the standard deviation is 10.79, between which two numbers do
1.1.5.1 70 % of the data set lie? (2) 1.1.5.2 95% of the data set lie? (2) 1.1.5.3 99.7% of the data set lie? (2)
- 6 If the standard deviation is 29.79, determine the numbers that lie 70 % from the mean of the data set?
- 1 .7 What type of graph is the most suitable to represent the data?
1.1.8 Is the data set in this study Discrete or Continuous? (1) 1.2 The data set below represent the type of mathematics students in the first-year foundation did in high school. 1.2.1 What is the name of the above chart? (1) 1.2. 2 Which data collection method was used for this study? (1) 1.2. 3 Which type of mathematics had the least number of students?
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Types of Mathematics
