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What is a score value?
for a normal-shaped distribution with n=50 and siqma =8 : a- what proportion of the scores have values between 46 and 54? b- for samples of n= 4, what means have values what proportion of the sample mean have values between 46 and 54? c- for samples of n= 16, what means have values what proportion of the sample mean have values between 46 and 54?
What are the 4 types of proportion?
direct proportion indirect proportion additive proportion partitive proportion
In order to make a porportions with two ratios what must be true about the ratios?
If there is a proportion a/b = c/d, then ad = bc. Examples: 3/4 =? 5/6 3 x 6 =? 4 x 5 18 = 20 False (this is not a proportion) 16/6 =? 8/3 16 x 3 =? 6 x 8 48 = 48 True (this is a proportion)
How do you tell a ratio from a proportion?
A ratio is simply a comparison between 2 numbers. Example- 4:3 A proportion is 2 fractions equal to each other or "proportionate".
What fractions are between one eighth and one fourth?
1/8 can be expressed as 2/16 1/4 can be expressed as 4/16 A fraction between 2/16 and 4/16 is 3/16
Does 25 100 and 4 16 form a proportion?
No, 416 has to be 25 100 has to be divisible by 416 to be a form of proportion.
What is a score value?
for a normal-shaped distribution with n=50 and siqma =8 : a- what proportion of the scores have values between 46 and 54? b- for samples of n= 4, what means have values what proportion of the sample mean have values between 46 and 54? c- for samples of n= 16, what means have values what proportion of the sample mean have values between 46 and 54?
What is a proportional in math?
A proportion is a statement built up of two ratios. A ratio is a comparison of two numbers. EX: Ratio- a:b or a/b EX: Proportion- 12/16=3/4 or 12:16=3:4
What are the 4 types of proportion?
direct proportion indirect proportion additive proportion partitive proportion
What is a statement of equality between two ratios called?
... a proportion.... a proportion.... a proportion.... a proportion.
What is the ratio of 1over 4 and 2 over 3?
It is not a proportion because the fractions are not equal.
In order to make a porportions with two ratios what must be true about the ratios?
If there is a proportion a/b = c/d, then ad = bc. Examples: 3/4 =? 5/6 3 x 6 =? 4 x 5 18 = 20 False (this is not a proportion) 16/6 =? 8/3 16 x 3 =? 6 x 8 48 = 48 True (this is a proportion)
Solve the proportion 4 over 6 equals x over 24?
4/6=x/24 96=6x 16=x
What are the even numbers between 4 and 16?
The even numbers between 4 and 16 inclusive are: 4, 6, 8, 10, 12, 14, 16
How do you tell a ratio from a proportion?
A ratio is simply a comparison between 2 numbers. Example- 4:3 A proportion is 2 fractions equal to each other or "proportionate".
What fraction is between 1eighth and 1 fourth?
fractions between 1/8 and 1/4 = 3/16 1/8 = 2/16 1/4 = 4/16
Is 3 over 4 a form proportion why?
A proportion is a statement that two ratios are equal.3/4 is one ratio, so it does not form a proportion.
