Ex. a student x scored 50, 55, 60, § 45 in four subjects another student y scored 53, 50, 47 in the dame subject 85 q in are 2 4,3 $1 it the weights. respectively for for these subjects decide who is a better student
-
Subject:
Math -
Author:
beanpoleaeoc -
Created:
1 year ago
Answers 1
Answer:
Let x be the 6
th
observation
⇒45+54+41+57+43+x=48×6=288
⇒x=48
Variance =(
6
∑x
i
2
−(
x
ˉ
)
2
)
⇒ variance =
6
14024
−(48)
2
=
3
100
⇒ standard deviation =
3
10
Step-by-step explanation:
please mark me the brainlist please
-
Author:
casperbjfn
-
Rate an answer:
10
If you know the answer add it here!
Other related questions that may help you
(1100101)2+(101010)2
-
Author:
nonagentry
-
Author:
odinrq1m
-
Rate an answer:
9
-
Author:
jazlene
-
Rate an answer:
8
Problem 1: the enthalpy changes for the following reaction at 298 k and 1 atm are given below (a) ch3cooh(l) + 2o2(g) → 2co2(g) + 2h2o(l) ∆h = – 874 kj
-
Author:
tarzanowwv
Answer:
your answer is in attachment
please mark me the brainlist please
-
Author:
koda29
-
Rate an answer:
9
Among the following, choose the correct sql statement to create a table named employee with attributes employeeno, name, address, age, job, salary where employee no must be unique and not null and age must be greater than 21.
-
Author:
claraandrews
-
Author:
robertocross
-
Rate an answer:
4
Choose a language and a region
How much to ban the user?
1 hour
1 day
100 years