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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,756 Questions

What is the difference between forming a hypothesis and testing a hypothesis?

forming a hypothesis is when you come up with an educated guess.. what you think it may be .

testing a hypothesis is when you're testing to see if someone else's guess is right.

What is the least possible product when you multiply 1 by a one digit number?

9

I think the answer should be one - as they ask LEAST possible product

so 1x1 = 1 whereas the first answer was 9

How do you make environment chart?

An Environment chart can be made three ways. One you may insert the chart into an existing document by clicking on "Insert tab" inside Word. Under the task ribbon choose "object", then choose to create an excel chart.

In order to create the Environment chart you need the data. Once you have decided which area is represented by what text or color you can begin piecing your project together.

Enter your information, then choose the graph style you want from the open window with the styles located inside it.

The other way to create this graph is to use Excel as the base. Type in the information in your rows and columns, then choose "create graph". You can color and style your graph from the available windows. After you save it you can add it to your paper if you need to by clicking insert object again and create from file.

What 4 digit numbers can you make with 4379?

You can make:

4379, 4397, 4973, 4937, 4793, 4739

3794, 3749, 3974, 3947, 3479, 3497

7934, 7943, 7439, 7493, 7394, 7349

9743, 9734, 9473, 9437, 9374, 9347

What does 'krupa' mean?

In Sanskrit, "Krupa" means compassion, mercy, grace, and kindness.

Where did Black Friday start?

Black Friday is the day after the American Thanksgiving, it is the beginning of the Christmas shopping frenzy and is believed to be the busiest day of retail sales of the year.

There is nothing supernatural about the day, it is simply a day given up to rampant consumerism and the perpetuation of greed. As companies struggle to get their "share" of the profits stores have been opening earlier and earlier making the lives of their employees more and more difficult. Anyone who has ever worked in a store on that day will attest to the "black"-ness of it.

What causes dispersion?

Dispersion, in physics, is the result of light refracting in a material. The different wavelengths of light will "bend" at different angles depending on their wavelength. As the refracted light approaches a critical angle at which all the light will be reflected instead of passing through the material the maximum amount bend that the light can achieve occurs. At this point the human eye can begin to perceive the different bends that each color experiences in the material.

Dispersion, in statistics, is the extent to which values of a variable differ from a fixed value such as the mean.

What is the principle frequently expressed in statistical symbols?

WHAT IS THE PRINCIPLE FREQUENTLY EXPRESSED IN STATITICS SYMBOLS? ---- That IS the question, NOT the answer!!

What is the probability of tossing a coin 5 times and getting all tails?

The probability of tossing a coin 5 times and getting all tails is:

P(TTTTT) = (1/2)5 = 0.03125 ≈ 3.13%

If you had 10 red marbles 5 blue marbles 2 yellow marbles 1 yellow marble and rolled a 10 sided die What is the probability of getting 1 yellow marble and a 10?

Note:

In listing the contents of the marble jar, you mentioned yellow marbles twice ...

"2 yellow marbles" and "1 yellow marble". We'll assume there are 3 yellow marbles.

Also note:

You didn't actually say that the numbers 1 through 10 are printed on the 10 sides

of the 10-sided die. We'll assume that they are.

Also note:

You didn't actually say that we select a marble at the same time that we toss the

10-sided die. We'll assume that we're supposed to do that.

Now that we've done the proof-reading and cleaned up the question, we can go ahead

and answer it:

The probability of rolling a 10 with the 10-sided die is 1 out of 10 = 0.1 .

There are 18 marbles total in the jar, and 3 of them are yellow. The probability of

drawing one yellow marble out of the jar is (3/18) = 1/6 .

The probability of drawing 1 yellow marble and rolling a 10 on the die is

(1/6) x (0.1) = 12/3%

Why is a stem and leaf plot is useful?

a stem and leaf plot is so important cause if you turn the plot to the left [counter clockwise] then it will look like an organized graph in order from least to greatest you can find mode, range, and median right a way. glad to help!!!

Can a data set have the same range and median?

Yes, but the two are measures of very different things. The median is a measure of central tendency whereas the range is a measure of spread.

Nevertheless, the set 1, 2, 3, 4, 4 has a range of 3 and a median of 3.

Write a c program to print mean median and mode?

#include<stdio.h>

#define MAXVAL 1000

void sort1(int a[],int n);

void median(int a[],int n);

void mode(int a[],int n);

int main()

{

int n;

int arr[MAXVAL];

int i;

printf("Enter the number of elements:");

scanf("%d",&n);

printf("Enter the values:");

for(i=0;i<n;i++)

{

printf("a[%d]=",i);

scanf("%d",&arr[i]);

}

sort1(arr,n);

median(arr,n);

mode(arr,n);

}

void sort1(int a[],int n)

{

int i;

int j;

int temp;

for(i=0;i<n;i++)

{

for(j=i;j<n;j++)

{

if(a[i]>a[j])

{

temp=a[i];

a[i]=a[j];

a[j]=temp;

}

}

}

}

void median(int a[],int n)

{

int median;

int mid;

if((n%2)==0)

{

mid=n/2;

median=(a[mid-1]+a[mid])/2;

}

else

{

mid=(n+1)/2;

median=a[mid-1];

}

printf("The median is:%d\n",median);

}

void mode(int a[],int n)

{

int i;

int count1[MAXVAL];

for(i=0;i<n;i++)

{

count1[i]=0;

}

for(i=0;i<n;i++)

{

count1[a[i]]++;

}

i--;

int mode=count1[0];

int j;

int k;

int flag=0;

for(j=0;j<=a[i];j++)

{

if(count1[j]>count1[mode])

mode=j;

}

for(j=0;j<=a[i];j++)

{

for(k=j+1;k<=a[i];k++)

{

if(count1[j]=count1[k] && count1[j]>count1[mode])

{

flag=1;

}

}

}

if(flag==1)

{

printf("Mode cannot be calculated");

}

else

printf("the Mode is:%d",mode);

}

Is 0 considered a digit in 015?

In most cases it would not be considered a digit; the 0 is not needed before the 15 unless it is a decimal value, such as 0.15.