What does it mean if after 48h the tube of my TSI is:       …

What does it mean if after 48h the tube of my TSI is:                 a. All Yellow (slant and butt)                  b. All red (slant and butt..not a control there is growth):                 c. Red slant yellow butt:                 d. Red slant yellow butt with black precipitate                          e. Red slant and no color change in butt

A researcher decides to compare three groups of subjects on…

A researcher decides to compare three groups of subjects on a decision-making task, to see if people make riskier decisions when their friends were around.  She compares three groups, either with their friends present, absent, or a stranger nearby.  She conducts a one-way between-subjects ANOVA and obtains the following values for her F-table Source of Error SS df MS F BG 2024 2 1012 3.42 Error 5328 18 296   Total 14712 20     What is the F-threshold for this test at a 0.05 alpha level?