The mean weight of male dancers in a local modern dance company is at most 160 Ibs. Express the null and alternative hypotheses in symbolic form for this claim. Ho: H: Use the following codes to enter the following symbols: > enter >= enter <= + enter !=

c is wrong

You may need to use the appropriate technology to answer this question. Five typists were selected to test two types of computer keyboards. The following table shows the number of words per minute for each typist using each keyboard. Typists Keyboard A 59 60 62 so 51 68 67 60 63 62 Consider the types of keyboards as treatments and the typists as blocks, test to see if there is any difference in the mean words/minute of the two types of keyboards. Let a- 0.os. State the null and alternative hypotheses. O Moi HTypist i #rypst 2"typist 3"Prypist 4ryoists H At least two of the typists have a different population mean ords/minute. OHo Hkeyboard 1* Pkeyboard 2 H Mevboard 1 eyboard 2 Ho HKeyboard 1" Pkeyboard 2 HMkeyboard 1 Peyboard 2 O Ho "Tyist i- Hrypist 2rypist " rypist 4iypist 5 H PTypist 1* HTypet 2 Prypint a* PTysiat 4* "typist s OHa At leest two of the typists have a different population mean words/minute. H Hryput iPryon a "Typst a "typst" Hrvpist S Find the value of the test…

8. Mrs. Cachia gave the following question on a test: Simplify 5 + /7.