CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2
10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08
<...
Mathematics, 13.06.2021 09:10 POOPINgligma
CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2
10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08
16 - 21 10 18.5 185 20.1 - 1.6 2.56 25.6
22 - 27 8 24.5 196 20.1 4.4 19.36 154.88
28 - 33 4 30.5 122 20.1 10.4 108.16 432.64
n = 30 ∑ =603 ∑ 1075.2
What is the Mean of this given grouped data ?
(Use up to one decimal place in writing your answer).
Answers: 1
Mathematics, 21.06.2019 22:00
Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?
Answers: 3
Mathematics, 22.06.2019 00:00
What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?
Answers: 1
Mathematics, 22.06.2019 01:10
If the probability of an event happening is 65% then the probability this event does not occur?
Answers: 1
Chemistry, 18.11.2019 00:31
Business, 18.11.2019 00:31
Mathematics, 18.11.2019 00:31
Mathematics, 18.11.2019 00:31
Mathematics, 18.11.2019 00:31