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Find the indicated measure. The test scores of 40 students are listed below. Find P85.



Find the indicated measure. The test scores of 40 students are listed below. Find P85. 

30 35 43 44 47 48 54 55 56 57 

59 62 63 65 66 68 69 69 71 72 

72 73 74 76 77 77 78 79 80 81 

81 82 83 85 89 92 93 94 97 98 


 1) 85 

 2) 87

 3) 89

 4) 34

math   Statistics-And-Probability   
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Answer #1

As data is arranged in ascending order then

P(85) = (85/100) *N

N=total number of observation

P(85) =(85/100) *40 = 34th observation = 85

Option 1st is correct

Solution file is attached go through it

Thanks

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