Claire mowed 7 lawns last week. she mowed each lawn in 7/12 hour. she mowed the same lawns this week in 5/12 hour. how many times longer was claires time to mow all the lawns last week than this week?

What values of data might affect the statistical measures of spread and center

State one method by which you can recognize a perfect square trinomial.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain