Mathematics, 09.11.2020 16:40 howto
Thirty-two different video games showing drug use were observed. The duration times of drug use (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 82 sec, what does df denote, and what is its value? What does df denote?
A. The sample size
B. The test statistic
C. The sample standard deviation
D. The number of degrees of freedom
The value of df is Type an integer or a decimal. Do not round )
Answers: 3
Mathematics, 20.06.2019 18:04, dalejacksoniip5yf4y
When benny’s sister penny is 24, benny’s age will be 125% of her age. how old is lenny? a) how old will benny be then? b)if benny is 12 years old now, how old is penny now? explain your reasoning.
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Mathematics, 21.06.2019 13:40, asdf334asdf334
Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)
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Mathematics, 21.06.2019 16:30, Billie9166
An equation where variables are used to represent known values—function notation true or false
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