What’s the meaning of normal distribution?

A continuous probability distribution for a random variable x.

What does sample mean?

is a subset, or part, of a population.

Standard Normal Distribution meaning?

A mean of 0 a standard deviation of 1 total area under normal curve is 1.

1,5,7,7,8,9,11,11,12 What’s the min,Q1,Median,Q3,Max.

Min:1,Q1:6,Median:8,Q3:11,Max:12

Measure of central tendency meaning?

is a value that represents a typical, or central entry of a data set.

Frequency distribution meaning ?

table shows class or interval ofdata entry with a count of the number entry

What is the equation of standard Normal Distribution?

Z=value-mean/standard deviation

Descriptive statistics meaning?

branch of statistics involves organization summarization ,display of data.

What is the meaning of Conditional probability?

probability of an event occurring given another event has already occurred

Probability experiment meaning ?

An action , or trial , through which specific results are obtained.

What does population mean?

collection of outcomes,responses,measurements counts that are of interest.

Binomial experiment meaning ?

A probability experiment that satisfies these conditions.

What does parameter mean ?

Is a subset , or part , of a population.

What is the meaning of continuous?

uncountable number of possible outcomes represented by a number line.

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Questions 20

Answers

1
45,47,48,48,4849,50,51,51,51,51,52,59 what’s the mean ,median , mode.
Mean:45,Median:54,Mode:50
Mean:49.79,Median:50.5,Mode:51
Mean:40.5,Median:50,Mode:49
Mean:50,Median:49,Mode:55
2
p(A)=1/4 P(B)=3/5. What is P(B/A)?
9/50
3/5
2/6
1/5
3
What’s the meaning of normal distribution?
Sample statistics the sample mean.
A continuous probability distribution for a random variable x.
is the probability distribution of a sample statistics thatformes randomly.
is a normal distribution with a mean of 0 and a strandard deveation of 1.
4
What does sample mean?
collecting,organizing,analyzing,interpreting data in order to make decision
information coming from observation, counts, measurements, or response.
is a subset, or part, of a population.
collection of outcome,response,measurements or counts that are of interest.
5
Standard Normal Distribution meaning?
Infinite number of possible values that can be represented on number line.
A mean of 0 a standard deviation of 1 total area under normal curve is 1.
The points which the curve changes from curving upward to curving downward.
A continuous probability distribution for a random variable x.
6
(X=M+z*s) 9+1.96*2=?
8.12
9
12.92
6
7
1,5,7,7,8,9,11,11,12 What’s the min,Q1,Median,Q3,Max.
Min:5,Q1:11,Median:7,Q3:9,Max:1
min:12 , Max:1, Q1: 8, median: 11, Q3: 6
min:9,Q1:9,Median:12,Q3:9,Max:10
Min:1,Q1:6,Median:8,Q3:11,Max:12
8
Measure of central tendency meaning?
A population data set of N entries.
a data set is the difference between the max and minimum data entriein set
is a value that represents a typical, or central entry of a data set.
data set the value that lies in the middle of data when data set is ordered
9
P(not a diamond )
24/52=0.461=46.1
8/52=0.15=15%
4/52=0.076=76%
39/52=0.75=75%
10
Frequency distribution meaning ?
branch of statistics using a sample to draw conclusions about a population
table shows class or interval ofdata entry with a count of the number entry
is a numerical description of a population characteristic.
are the numbers that separate classes without forming gaps between them.
11
What is the equation of standard Normal Distribution?
Z=value-mean/standard deviation
ux=U
x=u+zo
ux=u
12
Descriptive statistics meaning?
branch of statistics using sample to draw conclusions about a population
branch of statistics involves organization summarization ,display of data.
information coming from observation , counts , measurements or responses.
is a numerical description of a population characteristic.
13
What is the meaning of Conditional probability?
When A and B cannot occur at the same time.
occurrence of one event does not affect the occurrence of the other event.
probability of an event occurring given another event has already occurred
An ordered arrangement of objects.
14
Probability experiment meaning ?
Can be used to find number of ways two or more events can occur in sequence
An action , or trial , through which specific results are obtained.
A subset of the sample space. it may consist of one or more outcomes.
the set of all outcomes in a sample space that are not included in event E.
15
What does population mean?
collecting organizing analyzing and interpreting data in to make decision
collection of outcomes,responses,measurements counts that are of interest.
information coming from observation counts measurements or responses
A subset , or part of a population.
16
What is the z score equation?
ux=u
z=x-mean/st.Dev
02/x=o2/n
ux=4
17
Is this between 0 and 1?
True
False
18
Binomial experiment meaning ?
expected value of discrete random variable equal to mean of random variable
discrete random variable is given by each value of x.
A probability experiment that satisfies these conditions.
X represents a value associated with each outcome of a probability.
19
What does parameter mean ?
is a numerical description of a sample characteristic.
the branch of statistics involves organization,summarization, display data
is a subset , or part of a population.
Is a subset , or part , of a population.
20
What is the meaning of continuous?
A discrete random variable is equal to the mean of the random variable.
uncountable number of possible outcomes represented by a number line.
has a infinite or countable number of possible outcomes that can be listed.
possible value and random variable can assume together with itsprobability

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