Statistics Quiz

It is given that the competition increases by 2. Therefore, Average Rating decreases by 0.5798.

Jordan is one year younger than two-thirds the age of Jack. How old is Jordan if Jack is 30 years old?

Their scores are: 55, 47, 62, 27, 50, 49, 66, 53, 50, 44, 63, 59.

c. What is the probability of a score falling between a raw score of 81 and 83?

11) A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motorist for this trip?

The number 65 is the greatest outlier of the given values. The inbalanced influence of the integer can be highlighted by witholding 65 from the values and solving for the mean 13+3+35+19+12+15+5+42+11 = 155/9 = 17.22...

The average (mean) number of years lived in the current home is greater than or equal to 13 years

Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of four pictures from a selection of ten pictures is:

After this, you’d divide 2 with 2, and 2 with 8, which would give you a 4.

tuples are: 15, 19, 22, 25, 25, 45, 13, 16, 16, 33, 20, 20, 21, 22, 52, 70, 25, 25, 40, 46, 35,

10. What can we say about the credit balance for a customer that has a household size of 10? Explain your answer. We are 95% confidence that the mean of credit balance of house hold with size of 10 lie between (5927.0, 7320.4)

What is the value of the population mean? What is the best estimate of this value?

If the first exam is type 1 what is the mean number of exams until the class is first given an exam of type 3

A+C, and with A being 41 then C would have to be 38. Then I started to notice a pattern. The pattern was

While the obvious answer is ½ this is not true. Let us look at the possibilities possible: