A researcher is interested in determining whether a new drug…

A researcher is interested in determining whether a new drug will result in the same patient recovery time after abdominal surgery compared to the standard treatment.  Currently the mean recovery time is considered to be 35 days.  A 0.05 level of significance will we used.  The claim, null and alternative hypotheses chosen by the researcher will be: Claim: 

A study is done that looks at the number of streams in the s…

A study is done that looks at the number of streams in the state of California that have certain kinds of trout.  The information is recorded in the table below.    Data Table Fish Number of Streams California golden trout 104 Brown trout 116 Rainbow trout 207 Lake trout 145 Which of the following graphs would be appropriate to display this data?