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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

How do you state an alternative hypothesis?

When more than one hypothesis is shown on a scientific paper, the alternative hypotheses can be numbered. They could use a format like, Hypothesis No. 1, Hypothesis No. 2, and so on.

What is the meaning of itenerant?

If you mean 'itinerant', a person who travels from place to place, as in a casual labourer

Has anyone ever ordered clomiphene online I ordered some but was wondering how can you tell if its the real thing the ones I ordered have no taste to them how tablets sometimes do?

You prescribed a controlled fertility drug for yourself, you bought it from an unknown source,

you didn't know what you had, but you put it into your body anyway. Congratulations !

You lived to tell the tale, and collect your prize. You are definitely amazing, and we certainly

hope your reproductive system is no worse off than it was before.

When do you use a z score table?

If you have a variable whose distribution is approximately Gaussian (Normal), then the z-score gives the probability of observing a value that is equal to or more extreme. This is usually in the context of testing some hypothesis about the mean of the variable.

A very low probability would suggest that your hypothesis is wrong or that your assumptions about the data are wrong or that you have just had the misfortune of an unlikely event actually happening!

What does irrisistable mean?

too attractive or temptimg to be resisted (or turned down/passed on)

What is the probability of rolling a 5 on a 6 sided dice?

There is always a 1 in 6 chance of rolling ANY number on a six-sided dice, as there are 6 numbers.

How many three digit numbers contain the number 7?

279

700 through 799 is = 100

x70 - x79 for 10 in each century for another 90 (Don't double count the one in the 700 range)

xx7 in each decade = 100 minus the 11 already counted above.

What are the odds of rolling a 6 or an 8 before rolling a 7 in craps?

Here are the odds in craps: 7 vs. 6 Odds: 6 to 5 7 vs. 5 Odds: 6 to 4 or 3 to 2 7 vs. 4 Odds: 6 to 3 or 2 to 1 7 vs. 3 Odds: 6 to 2 or 3 to 1 7 vs. 2 Odds: 6 to 1

How can i test hypothesis with chi-square?

if i undertook a survey of and got the following results a) Question 1, i recorded 43 response and all are YES b) Question 2, i recorded 36 response for YES and 7 respondents are NO c) Question 3, i recorded 43 responses and all are YES. How do i use Chi-square to test my hypothesis?

What is the median of 2 4 4 5 6 7 9?

5, you cross off one number from each side 'till you get to the middle.

What does Havila mean?

Please tell us in your question what language the words are from.

How many pounds equal a ton - 45k?

1 US (short) ton = 2000 lb

1 UK (long) ton = 2240 lb

1 tonne (metric) = 2204.6 lb