Calculate the semi-inter quartile range of the marks of 19 Sudents in Statistics given below : : 0-5 5-10 10-15 15-20 20-25 25-30 4 6 8 Marks No. of students : 12 7 2

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A: mean(μ)=63  inchesstandard deviation(σ)=6  inches

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A: Given:  marks obtained of 9 students are given  Xi: 52,75,40,70,43,40,65,35,48 find arithmetic mean ...

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Q: Calculate the mean deviation (from mean) from the following data :

A: Here use formula of mean deviation 

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Q: 2. The average test score in a certain statistics class was 74 with a standard deviation of 8. There...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

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A: GivenMean(μ)=10standard deviation(σ)=2

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A: Given: n = 12 To find: Degree of agreement

Q: Marks obtained by 9 students in statistics are given below : 52, 75, 40, 70, 43, 40, 65, 35, 48. Cal...

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Q: g. P(z<zo) = 0.5 h. P(zszo) = 0.0091

A: Given:  z be the standard normal variate N(0,1)  to find value of Z0  g): p(Z&lt;Z0)=0.5  h): p(Z&lt...

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Q: on the exam? (c) How many students scored at most 90? (d) What percentage of students scored at leas...

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Q: 3. Normally distributed IQ scores have a mean of 100 and a standard deviation of 15. Use the standar...

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A: The effect size of the independent sample t - test is defined by                      d = (x̄1 - x̄2...

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A: Fibonnaci Sequence is: 1,1,2,3,5,8,13,21,34,55,89,... (That is, each term of the sequence is the sum...