Find the mean Class = 25-29 30-34 35-39 40-44 45-49 50-54 55-59Frequen

1.	Find the mean Class = 25-29 30-34 35-39 40-44 45-49 50-54 55-59Frequency = 14, 22, 16, 6, 5 , 3,4
Answer» et the assume mean A = 42\tClassesMid value(x1)d1\xa0= x1\xa0- 42u1=x1-425f1f1u125 - 2927-15-314-4230 - 3432-10-222-4435 - 3937-5-116-1640 - 4442006045 - 4947515550 - 54521023655 - 5957153412\xa0\xa0\xa0\xa0N = 70∑f1u1=-79\tWe haveA = 42, h = 5Mean\xa0=A+h×∑f1u1N=42+5×-7970=42+-39570=42-39570= 42 - 5.643= 36.357\xa0\xa0\xa0\xa0\xa0

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