Use the data points representing Clothes-4-You shoe
sales, where x is the average temperature and y is the
number of shoes sold.
(5, 66), (8, 54), (11, 63), (18, 70), (24, 51), (32, 68),
(36, 60), (44, 73), (50, 55)
Is the sale of 90 shoes a reliable prediction when the
temperature is 80°F?
Yes, as input increases the output increases
Yes, as input increases the output decreases.
No, there's no association between the variables.
Can not be determined because it is an extrapolation.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

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

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is