![subject](/tpl/images/cats/mat.png)
Mathematics, 28.08.2021 04:00 abigail018
Bài 1 (2 điểm): Số điện năng tiêu thụ của 20 hộ gia đình trong một tháng
(tính theo kWh) được ghi lại ở bảng sau:
101
70 152
65 65
70 85
120 70
115 85
120 70
115 65
90 65
40 55
101
a) Dấu hiệu ở đây là gì?
b) Hãy lập bảng “tần số”.
c) Hãy tính số trung bình cộng và tìm mốt của dấu hiệu?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30, brennanjb00
Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30, aniacopenowell7
How many terms does the polynomial x^2 y^2 have
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30, jtroutt74
Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.
Answers: 1
You know the right answer?
Bài 1 (2 điểm): Số điện năng tiêu thụ của 20 hộ gia đình trong một tháng
(tính theo kWh) được ghi...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mkx.png)
Arts, 12.02.2021 14:00
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/ekonomika.png)
Business, 12.02.2021 14:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 12.02.2021 14:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 14:00
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/health.png)
Health, 12.02.2021 14:00