if an independent-measures study uses n = 15 participants in each group to compare two treatment conditions. then 28 is the df value for the t statistic for this study.
The t-statistic, which is used in statistics, measures how far a parameter's estimated value deviates from its hypothesised value relative to its standard error. Through the Student's t-test, it is utilised in hypothesis testing. In a t-test, the t-statistic is used to decide whether to accept or reject the null hypothesis. The t-statistic is used when the sample size is small or the population standard deviation is unknown. It is quite similar to the z-score in other respects. Once the standard deviation is unknown, the t-statistic is in use, for one, to approximate the population mean from a sampling distribution of sample statistics.
Learn more about the t statistic here:
brainly.com/question/15236063
#SPJ4
Answer:
Ashes - Fact
All Samples - Law
Piece of Glass - Hypothesis
Metal Objects - Fact
I would have to say that I would agree
Answer:
The investigation demonstrated that liquor utilization during the most recent 15 weeks before pregnancy was related with diminished danger of preterm birth, while they likewise find that drinking during pregnancy was definitely not. So this is by all accounts foolish as indicated by their discoveries as the creators express that its hard for them to understand any.
The point of origin of a suspected arson fire is the place the most physical proof might be found demonstrating flame of flammable nature. There might be different purposes of starting point that prompts evident indications of fire related crime. These purposes of sources are one of the more evident variables that prompts the doubt from flame warriors at a scene that starts an illegal conflagration examination.
