subject
Mathematics, 13.10.2020 19:01 Lindy5657

3) The weights (in kg) of 35 persons are given below: 43, 51, 47, 62, 48, 40, 50, 62, 53, 56, 40, 48, 56, 53, 50, 42, 55, 52, 48, 46, 45, 54, 52, 50, 47, 44, 54, 55, 60, 63,
58, 55, 60, 58, 53

a) Group this data by using the Sturges’ formula to determine the number of classes. Keep the width of
each class equal.
b) Find the mean, median, standard deviation and variance of the grouped data obtained in (a) above.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, Jenniferwolf
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
image
Mathematics, 21.06.2019 19:10, kg4385649
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
Answers: 1
image
Mathematics, 21.06.2019 19:30, auzriannamarie
Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 1
image
Mathematics, 21.06.2019 21:00, ijohnh14
When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?
Answers: 1
You know the right answer?
3) The weights (in kg) of 35 persons are given below: 43, 51, 47, 62, 48, 40, 50, 62, 53, 56, 40, 4...

Questions in other subjects:

Konu
World Languages, 07.04.2021 21:20
Konu
Mathematics, 07.04.2021 21:20