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 Introductory statistics
 Sampling and data
 Data, sampling, and variation

Card 42 / 56:
Cluster Sampling
a method for selecting a random sample and dividing the population into groups (clusters); use simple random sampling to select a set of clusters. Every individual in the chosen clusters is included in the sample.

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Questions & Answers
2. The data that categories patients as males or
females are known
20 25
find the area under the normal curve
find the area normal curve
Akram
Let x1, x2, ...,xn be a random sample of size n from N(0,σ
), show that there exists an UMP test
with significance level α for testing H0
:
2 =
2 against H1
:
2 <
2 . If n=15, = 0.05,
and
2= 3, determine the BCR
3xy^2√[x^3y^2/(12(x^3y)^2)]
what is probability
Esther
what is probability
Esther
what is probability
Esther
Probability is a branch of mathematics that deals with the occurrence of a random event. For example, when a coin is tossed in the air, the possible outcomes are Head and Tail.
Dewan
mean 0 and standard deviation 1 .using area table find P(X>3)
define the types of data?
Mohsin
define the number of classes?
Mohsin
define the class limt?
Mohsin
define the class frequency and class interval ?
Mohsin
define class boundaries
George
Your home address
nominal
Interval
ratio
ordinal
MD
home address is nominal
Awel
what is axioms of probability
characteristics of statistic
a measure of cntral tendency is a quantitative value that tends to locate in some sense the middle of a set of data
in a large metropolitan area
a lecturer claims that his students score an average of 55 marks in their statistics test. the object supervisor wants to know wether the lecturer's claims is acceptable or not.what is the posible tail of the test?
Karen
the best sampling method for A school has a total of 100 teachers. Each teacher in the school is given a number and then a random sample of 35 teachers is obtained.
what the best sampling method for A school has a total of 100 teachers. Each teacher in the school is given a number and then a random sample of 35 teachers is obtained.
Nurhaznissah
any one send me the notes of these chpt if possible introduction to statistics measure of centeral tendency or average measure of dispensation moments and skewness presentation of data
Kindly send me these notes.
Naheed
normal distribution
Akram
what is a regression, and what is it primarily used for
assume the sample populations do not have equal standard deviations and use the 0.05 significance level
what is the solution to this question?
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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