Dataset, rounding to the nearest 100th if necessary. 1-Var-Stats
T = 158.285714286
Σα:
1108
Σα2
184554
Sx = 39.1012117703
OX = 36.2006877824
n = 7
minX
99
Q1 = 127
Med
155
203
maxX
=
206

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer