“I’m thinking of a number. If youmultiply my number by 5 and thensubtract 48, you will get mynumber.” Express this situation asan equation and find the answer.
Brittany has grades of 84, 65, and 76 onthree math tests. What grade must sheobtain on the next test to have an average of exactly 80 for the four tests?
On a standardized test, a score of 82 fallsexactly 1 standard deviation below the mean.If the standard deviation for the test is 4,what is the mean score for the test?
A calculator finds a linear regression for thedata graphed below to be y = 0.96x – 1.4.Which choice is most likely the correlationcoefficient?a) 0.98 b) 1.34 c) – 0.98 d) – 1.34