Fill in the missing words to the quote: “Statistical methods may be described as methods for drawing conclusions about ________ based on _______ computed from the _________.
>populations, statistics, samples
An experiment was performed upon rats to investigate the effect of ingesting Alar (a chemical sprayed on apple trees to keep fruit from dropping before ripe) upon subsequent cancer rates. The following variables were measured: gender (0=female, 1=male); weight (g); dose of Alar (nil, low, high); number of tumors. The typical weight of a rat is about 800 g and the weights were rounded to the nearest gram. The number of tumors is around 10. Which of the following is FALSE
> Number of tumors is discrete and is ordinal scale
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