Three brands of petrol were compared on five makes of car. Table below shows the kilometers travelled in each case, on a standard amount of petrol under similar conditions. Petrol brand
Make of car
A B C D E

1
2
3
31.0 33.5 28.0 40.1 34.1
29.5 31.4 25.0 30.2 32.1
22.7 32.1 26.4 29.8 30.1

Required: Carry out the analysis of variance (ANOVA) and test, at the 5% level of significance, for differences between makes of car and between brands of petrol.​

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male

For 50 points a crustacean is a. both a consumer and a predator b. both a predator and a prey animal c. both a producer and a predator d. prey only

You know that shaw tried to use his plays to promote social messages. you also know that he was a socialist. what is the most likely "moral" of the story concerning the use of language? language should be used to climb the social ladder; literally, it can turn flower girls into duchesses. proper use of language can "declass" the lower classes and them out of "the gutter." proper use of language, including not swearing, is the proud and proper mark of a gentleman. higher classes have a "higher" consciousness and therefore naturally speak better than the lower classes.