Calculate the median and mode of the following data : No. of days absent No. of students Less than 5 29 " 10 224 15 465 " 20 " 25 " 30 " 35 " 40 " 45 582 634 644 650 653 655

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A: Given : Regression equation : Y^ = 24.2765 + 0.71025 midterm

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Q: What is the explanatory variable ?

A: What is the explanatory variable ?

Q: 1 Suppose observe data on the pound dollar spot rate S($/£), the U.S. inflation rate π$, and the U.K...

A: Solution:

Q: 6. Find the mean of the following series : Marks No. of Students Below 10 4 10-20 6. 20-30 10 30-40 ...

A: Solution is given in the attached picture:

Q: ss interval 1-3 3-5

A: Mean deviation about median: Median:

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A: The sum of the above items 1004.250 and the 1004.250 Mean = or 100.425 10

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Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg....

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A: Givensample size(n)=20mean(x)=20standard deviation(s)=1.2confidence interval = 90%

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A: We have given that,  X :- 5, 7, 9, 10, 11, 12, 15, 17, 20, 25 Y:-  6, 15, 16, 12, 21, 22, 8, 27, 5, ...

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Q: 4. From the data given below, find out the value of Y when X 35 10 30 40 50 60 70 90 20

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Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed wit...

A: Given: µ=58 PX>75=0.02 To find out: standard deviation(σ )  

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Q: Complete for P. Ps, and P, 20° 75 80 13. Month Daily Wages Frequency P25 000-P29 000 10 P20 000-P24 ...

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A: Solution is given:

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Q: Suppose we have the data {(X;,Y¡j)}, 1< i <n,1<j<t. The conventional least squares minimizes n ti ΣΣ...

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