Question

1. A researcher wishes to determine if there's a difference in teens and adults when it comes to favorite sport: Age group Football Baseball Hockey Teens 18 10 4 Adults 20 16 12 At LaTeX: \alpha α =0.10, is sports preference related to age group?

The correct CV is ________.

2. A psychologist randomly selects 100 people from four different income groups and asked if they were 'very happy.'

Income level	Less than $100k	$100k to$200k	$200k to $300k	Over $300k
Yes	24	33	38	49
No	76	67	62	51

At α=0.05, is there a difference in the proportion of those in each economic group who were very happy?

The correct CV is _______.

The correct TV is _______.

Answer 1

رت (op-celler es 0.5158 18 (36 31/0 : 15.2 10 4 666 307 108 10.4 116 * 3.9100 : 6:4 (38-40 40 27.8 (2648) 15.6 (1648){9.6 0.0154 0.9 0.3439 20 16 0.0103 0.6 8.3854 > Ho: No sports preference related to age group Hi sports preference related to age group test Stateste ! X stat ser el Stat 2.3854 2,105 bed 0.10 ТО df (071C0-1) - 34764-1) fere 4.6052 0:1 go 120 from x-table) - space, xstat z'stat < 4.605 2 , don't reject HO . .:: we can't conclude that sports preference related age group to