14 5.1 Which measure of central tendency can be used in the following situations? la) Estimating the monthly electricity bill of a household with the bills of previous 4 months as c *1100, 750, and 2550, respectively (b) Representing the marks scored by students in a test Id Estimating the cost of buying a house when the costs of 7 houses are given *80,00,000; 290,00,000; 23,00,00,000; 795,00,000; 24.50,00,000, 2100,00,000, 1:50.00.000 d) Representing the most common jacket size sold by a shopkeeper given the quantity of each le) Finding out a time slot to increase the frequency of buses on a route based on the number of passengers travelling every hour from morning to evening 5:2 The median of the observations 11. 12. 14. 18. * * 2, 20, 22, 25 and 61 arranged in ascending order sold in the last month is R1. Find the value of x. 53 Observe the data and answer the following questions. 16, 15, 16, 16, 8, 15, 17 (a) Which value can be added to the data set so that the mode remains the same? (b) At least how many and which value(s) must be added to the data set to change the mode to 157 to what is the least number of values that must be added to the data set to change the mode to in List them 54 The mean of three numbers is 10. The mean of four other numbers is 12. Find the mean of all the numbers. 5.5 For the data set given below, calculate the mean of its median and mode 6.2.5, 4, 3, 4, 4, 2, 3 5.6 Find the median of the following data if the mean is 4.5. 5,7,7, 8, , 5, 4, 3, 1, 2 5.7 in first three examinations, Karim scored 97, 73, and 88, respectively. If he scored 80 in the four examination, by how much will his average score increase or decrease? 5.8 if the extreme observations on both the ends of a data set arranged in ascending order are remos which measures of central tendency will change and which will not?
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14 5.1 Which measure of central tendency can be used in the following situations? la) Estimating the monthly electricity bill of a household with the bills of previous 4…
14 5.1 Which measure of central tendency can be used in the following situations? la) Estimating the monthly electricity bill of a household with the bills of previous 4 months as c *1100, 750, and 2550, respectively (b) Representing the marks scored by students in a test Id Estimating the cost of buying a house when the costs of 7 houses are given *80,00,000; 290,00,000; 23,00,00,000; 795,00,000; 24.50,00,000, 2100,00,000, 1:50.00.000 d) Representing the most common jacket size sold by a shopkeeper given the quantity of each le) Finding out a time slot to increase the frequency of buses on a route based on the number of passengers travelling every hour from morning to evening 5:2 The median of the observations 11. 12. 14. 18. * * 2, 20, 22, 25 and 61 arranged in ascending order sold in the last month is R1. Find the value of x. 53 Observe the data and answer the following questions. 16, 15, 16, 16, 8, 15, 17 (a) Which value can be added to the data set so that the mode remains the same? (b) At least how many and which value(s) must be added to the data set to change the mode to 157 to what is the least number of values that must be added to the data set to change the mode to in List them 54 The mean of three numbers is 10. The mean of four other numbers is 12. Find the mean of all the numbers. 5.5 For the data set given below, calculate the mean of its median and mode 6.2.5, 4, 3, 4, 4, 2, 3 5.6 Find the median of the following data if the mean is 4.5. 5,7,7, 8, , 5, 4, 3, 1, 2 5.7 in first three examinations, Karim scored 97, 73, and 88, respectively. If he scored 80 in the four examination, by how much will his average score increase or decrease? 5.8 if the extreme observations on both the ends of a data set arranged in ascending order are remos which measures of central tendency will change and which will not?