one sample z or t test, dependent t test, independent t test
med Books read by a sample of So students in a year at Shelby Highschool is 27. An investigator believes that the mean number of books read by students in a year at Shelby Highschool is significantly higher than the mean number of books read by students across high schools in the United States. 9) A dog breeding enthusiast argues that Chiweenie (Chihuahua dachshund hybrid) are the most adorable dogs. Her colleague claims that Pomsky (Pomeranian husky hybrids) are the cutest. To test this, they collect one sample to rate both dog breeds by cuteness. 10) An outbreak of Salmonella-related illness was attributed to ice cream produced at a certain factory. Scientists initially measured the level of Salmonella in a sample of 36 randomly sampled batches, with average level of 0.41 MPN/g and want to compare this sample to the federally accepted level of salmonella in similar batches.
one sample z or t test, dependent t test, independent t test
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