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- L7Q8.Find the relationship between the two variables in the given data.Rs. 10,000. med - 1s00 mile same route U., B.A./B.Sc, 1 No. of Pairs d the average spe (ii) Heights of 6 boys: 64", 65", 65", 66", 66", 67". P.U., B.A./B.Sc. (iii) Handicaps of four golfers: 4, 18, 18, 20. The following data relate to sizes of shoes sold at a store during a given week. Find the median of the shoes. Also calculate the quartiles, the 7th decile and the 64th percentile. 3.33 no rides the first mile at the rate d Size of Shoes 5 9. 7 8. 9. rate of 5.5 miles 2 15 30 60 40 23 11 4. 1 (P.U., B.A. (Hons.) 1962) 10 stages at ep various stages D, 30, 40 kilomet the bus travels. Calculate the Mean, Median and Modenumbers of persons per house from the data: 3.34 4 6. 8. 6. 10 1 3. No. of persons per house ne case of a pers niles an hour, U nd the third m 60 42 21 14 4 26 113 120 95 No. of houses (P.U., B.A. (Hons.) 1969) the follouring data: 7,Questions teenagers spend o0 O jWhat' percent of students playedn petween 6 and 8 hours per udeo gamesperoek? Belowis a box plot representating hours that teanadersspend games per week on uldeo
- Which scatterplot shows the strongest and weakest relationshipA property analyst is examining the relationship between the City Council's valuation on residential property and the market value (selling price) of the properties. A random sample of 8 recent property transactions were examined. The data is recorded in the tables below. Find the intercept (rounded off to four decimals). 1 2 3 4 5 6 7 8 A. 0.0892 B. -4.0293 OC. 6.7128 D. 1.285 City Council valuation (R1000) 12 45 32 50 28 56 18 40 Market value (R1000) 65 220 142 310 196 364 116 260 SSxy=10319.875 SSY = 70990.875 Exy=69084 b = 6.1912 SSX 1666.875 x = 34.4286 y=209.125At a holiday resort, people can rent a boat, a bicycle or both. 56 people rented a boat and 24 of those people also rented a bicycle. There were 48 people who did not rent a bicycle and 28 people who did not rent a boat. A table was made to represent the data. Rented aboat Did notrent a boat Rented abicycle ? Did notrent a bicycle What is the value of ??
- The histogram below gives the length of service of members of the Department of Chemistry at a particular university. The classes, in years of service, are 0−−4.9, 5−−9.9, etc., and the vertical axis represents the number of faculty. (a) What percent of the department faculty have 25 or more years of service? (b) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 5 and 35 years of service? (c) What is the probability the representative above will have less than 30 years of service given that the person has less than 35 years of service?A data set contains three points, and two of the residuals are -10 and -20. What is the third residual? OA. -10 O B. 30 O C. -30 O D. 10L3Q6.The measure of the correlation is -0.32. Find the type of correlation. A.Moderate positive correlation B.Zero correlation C.Moderate negative correlation D.Strong negative correlation
- L3Q2.Describe the variables in the given table using a TI calculator. x y 15 12 20 22 17 -3 A.Moderate and positive B.Weak and positive C.Weak and negative D.No correlationRick is a school principal, and he is trying to decide if there is a relationship between conduct infractions and the number of students present at school during the day when infractions occur. How should he set up a scatterplot to help him see if there is a relationship? O plot the number of infractions on the y-axis and the number of students present on the x-axis O plot the number of infractions on the y-axis and the day of the week on the x-axis O plot the number of infractions on the x-axis and the number of students present on the y-axis O plot the number of infractions on the x-axis and the day of the week on the y-axisWhich two rows of the data table show the following pattern? Select all that apply. A tripling of the value of x results in the value of y increasing by a factor of nine. Row X A 2 B C D E Rows A and B. Rows A and C Rows A and D Rows A and E Rows B and C 4 6 8 12 Tap the options below to select and deselect. Select all that apply. Rows B and D Rows B and E Rows C and D Rows C and E Rows D and E y 2 8 18 32 72