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.​

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Explanation:

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

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