




a number that divides ordered data into hundredths; percentiles may or may not be part of the data. The median of the data is the second quartile and the 50 th percentile. The first and third quartiles are the 25 th and the 75 th percentiles, respectively.

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Questions & Answers
the probability of an event occuring is defined as?
The probability of an even occurring is
expected event÷ event being cancelled
or
event occurring / event not occurring
Gokuna
Simple Bar Chart is a Diagram which shows the data values in form of horizontal bars. It shows categories along yaxis and values along xaxis. The xaxis displays above the bars and yaxis displays on left of the bars with the bars extending to the right side according to their values.
Muhammad
statistics is percentage only
the first word is chance for that we use percentages
muhammad
it is not at all that statistics is a percentage only
Shambhavi
how to calculate sample needed
mole of sample/mole ratio
or
Va
Vb
Gokuna
how to I solve for arithmetic mean
Yeah. for you to say.
James
how do I solve for arithmetic mean
please answer these questions
niharu
add all the data and divide by the number of data sets. For example, if test scores were 70, 60, 70, 80 the total is 280 and the total data sets referred to as N is 4. Therfore the mean or arthritmatic average is 70. I hope this helps.
Jim
*Tan A  Tan B = sin(AB)/CosA CosB ...
*2sinQ/Cos 3Q = tan 3Q  tan Q
what is subjective probability
how to calculate the Steadman rank correlation
David
what is sampling? i want to know about the definition of sampling.
In terms of Statistics or Research , It is a subset of population for measurement.
Da
can you solve this problem
what is the meaning of correlation ratio?
Nayeem
in 2018,walewale hospital recorded 2500cases of infection it was seen that out of this number 350 cases are rti 150 were bronchitis 300 cases were otitis media the rest were peptic ulcer cases calculate proportion of peptic ulcer and percentage of bronchitis
Frequency is the number of all object which is comes from population or sample size
Faiqa
number of all objects?
Amir
frequency is the rate of occurrence of an object
Leek
Explain nominal and ordinal variables
Oyinlola
nominal variables are those variable which is used to “name,” a series of values.
Amir
while ordinal scales provide good information about the order of choices,for example in a customer satisfaction survey.
Amir
what is the difference between Mean and Varience?
Amir
Sum of total object, divided by number of object is called mean
Faiqa
faiqa U didn't clear me.Sorry
Amir
what is df in statistics
Oyinlola
Source:
OpenStax, Introductory statistics. OpenStax CNX. May 06, 2016 Download for free at http://legacy.cnx.org/content/col11562/1.18
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