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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.
36,755 Questions
What is three digit smallest odd number?
999
EDIT
Wrong. It has to have three digits, so it's in the range between 100 and 999. The lowest one is 100, but it's an even number, so the next one is 101, which is an odd one.
How do you find the greatest value in a data set?
Put the first item in the data set into an empty memory location called, say, 'biggest'.
Now compare the second and subsequent items in the data set with 'biggest'. If the item is larger than 'biggest' then put the value of the item in 'biggest', otherwise do nothing.
By the time you have finished looking through the data set you will find that 'biggest' contains the greatest value in the data set.
How many gram are in 20 hectograms?
1 hectogram is 100 grams.
20 hectograms is 2000 grams = 2 kilograms.
the tendency among similar organism to differ from each other to some degree.. The official definition for the word variation is "a change or difference in condition, amount, or level, typically with certain limits."
What is a tool used to draw straight lines?
Any "straightedge" whether it be the side of a book, piece of paper, etc. can be used to create a straight line. Rulers, are common straightedges, as they are tools specifically meant to draw and measure lines.
How many different 5 digit numbers can be formed from the digits 0 to 9?
100000 - including numbers with leading 0s
What is the outcome when you draw a card from a standard deck of 52 and then roll a die?
The sample space is [any card of the deck] [any face of the die]
this question doesnt make sense
To solve this question, two cases must be considered:
Case 1: The three-digit even number ends with 0.
If the three-digit number ends with 0, then the number must be even. After the digit 0 is used, six digits remain. After any one of these six digits is chosen to be the first digit, five digits remain. To complete the number, any of the five remaining digits could be chosen to be the second digit of the number.
___6___ * ___5___ * ___1___ = 30 three-digit even numbers ending in 0.
1st digit-------2nd digit----3rddigit (0)
Case 2: The three-digit even number does not end with 0.
If the three-digit number does not end with 0, it can end with 2 or 4. Therefore, there are two possibilities for the third digit. The first digit could be any of the remaining digits, EXCEPT 0: if 0 were the first digit, it would not be a three-digit number. Therefore, there would be five possible digits for the first digit. 0 could be used as the second digit, along with the four remaining digits that were not previously used.
___5___ * ___5___ * ___2___ = 50 three-digit even numbers not ending in 0.
1st digit-------2nd digit-----3rddigit (0)
The total number of three-digit even numbers is 80, since 30 three-digit even numbers ending in 0 plus 50 three-digit even numbers not ending in 0 equals 80.
What are the statistics on teenage pregnancy?
750,000 teenagers from ages 15-19 become pregnant every year.
How do you find percent deviation?
to find percent deviation you divide the average deviation into the mean then multiply by 100% . to get the average deviation you must subtract the mean from a measured value.
What is a scatter diagram how is it useful?
Sometimes when we graph the relationship between two varying quantities of real life on a coordinate plane we get dots scattered on coordinate plane.
For example graph average math score of students from grade 8.
Let's consider their 8-week score.
(1, 50) (2, 52), (3, 49), (4, 58), (5, 60), (6, 65), (7, 64), (8, 68).
If you plot these coordinates you will get the points scattered points.
1) It is helpful to study the relationship between two varying quantities.
2) It says whether the relation is positive or negative. Sometimes we may not have any relation.
3) Such relation is called as correlation.
4) In the above example the graph has positive correlation. As the week increases the average scores also increases. There may be some down fall. Overall, it is a positive variation.
