8. Standard Deviation The given expression is used to compute the standard deviation of three randomly selected body temperatures. Perform the calculation and round the result to two decimal places. (98.4 98.6)2 + (98.6 – 98.6)2 + (98.8 - 98.6)2 3 1 Scientific Notation n Frercires 912 the giuan

Q: standard deviation is $17.40.

A: We have given that  Sample size n =55 Sample mean =136 Standard deviation =17.40

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A: Given: margin of error, E= 0.02  

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A: Exponential smoothing is 1 of the most common method for smoothing out a time series data.

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A: Given: coefficient of variation=35 x=100 Pearson coefficient of skewness Sk=0.2    

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A: The z score formula to find the difference between two means is defined by               z=(x1¯-x2)¯...

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A: Given three statements, We need to write if it is False or True.

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A: In regression the relationship b/w 2 variables are studied. 

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A: Using Chebyshev’s Rule, about 85.4% of data values are within ‘k’ standard deviations of the mean. T...

Q: Convert the following to z-score: c. Raw score of 86; mean of 55; SD of 17 d. Raw score of 115; mean...

A: Givenc)Raw score of 86Mean(μ)=55standard deviation(σ)=17

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A: None of the option is supported by the diagram. 

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A: Formula : Number of classes : k = 1 + 3.322logN

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A: If a die is rolled than the possible outcomes areS=1,2,3,4,5,6

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A: We have given that  Mean = 5.10 Standard deviation, ? = 1.3401 Sample size, n = 150

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Q: For the context of this problem, μd=μ2−μ1μd=μ2-μ1 where the first data set represents a pre-test and...

A: Given: n = 50 Mean,d¯=17.6standard deviation, sd=46.1 α=0.001 The hypothesis test:Ho:μd=0Ha:μd>0 ...

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A: Given that :  Here some statements are given by using hypothesis concept we solve this problem.   

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Q: P(9,5) · P(5,5) - C(9,5) · C(5,5) ank 1:

A: Farmula used r!=r(r-1)(r-2)x...x3x2x1

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A: Given  μ=mean=45, σ=9, P(31.5<X<58.5)=?   

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