ممكن حل اسالة مبادئ الاحصاء

[علي صلاح]

بسم الله الرحمن الرحيم

يا اخوان ابغى حل هذي الاسالة وعددها 6 اسالة
نبدأ بالسؤال الاول

annual miles driven , the average miles driven annually per licensed driven in the united state is approximately 14090 miles > if we assume a fairly moundshaped destribution with a standard deviation of approximately 3500 miles, find the following
a. z score for 16000 miles
b. z score for 10000 miles
c. number of miles corresponding to z score of 1.6 , -0.5 and 0

السؤال الثاني
average weekly earning , the average weekly earning in dollars for various industries are listed below . find the percentile rank of each value
228 524 597 623 777 489 659 736 804
for the same data what value correspond to the 40th percentile

السؤال الثالث

test score find the percentile rank of each the score in the data set

50 49 47 42 35 28 12
what value corresponds to the 60th percentile


السؤال الرابع

the scores find the percentile rank for each test score in the data set

21 20 16 15 12 5


السؤال الخامس

check each data set for outliers
a. 16,18, 22 , 19, 3 , 21 , 17 , 20
b. 24,32,54,31,16,18,19,14,17,20
c. 321,343,350,327,200


السؤال السادس

check the each data set for outliers
a.88,72,97,84,86,85,100
b. 145,119,122,118,125,116
c. 14,16,27,18,13,19,36,15,20