2. In 10 tosses of seven coins, the numbers of heads were 2, 6, 2, 2, 5, 3, 5, 3, 3, 4. If the observations are denoted by Y1, Y2,.. . . Yn: a. What is the value of n? b. What is the value of Y2? c. What is the value of Y7? d. For what values of i does Y = 2? 3? 4? e. Distinguish between Y.1 and Y-1. f What do Y-1 and Y-1 equal for i 2? g. Write the observations as a vector.

you rolled a six-sided die 60 times and got the following tally. 20 ones, 20 twos, 15 threes, 3 fours, 2 fives, 0 sixes. Does this seem like a reasonable result? What inference might you draw from the results?

A child is building a tower with colored bricks. She has 22 bricks: 6 yellow, 6 blue, 1 green, and 9 red. She selects a brick at random to stack on the tower. Enter all answers as decimals and round to four places.

. 85 people were surveyed about what kind of smart phones they have had before. Of those 85 people, 23 had never had an iPhone or a Samsung and 34 reported having an iPhone at some point. Of those having an iPhone, 4 said they had also had a Samsung before. Fill in the Venn diagram below. Samsung b. iPhone

d. Researchers stated that the shape of a person's ears is related to the person's aggression. Source: American Journal of Human Biology. Select one: O a. Inferential O b. Descriptive

If P = {a,b,c,d,e } and Q = { aquse}, how many members has (P U Q) ? Select one: a.9 C b.7 с.8 d.10

tatcrunch 2 Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. Click the icon to view at distribution table. W S X H d a. What is the number of degrees of freedom that should be used for finding the critical value t/2? df = 0 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ¹ x/2 = (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. Tech help # 3 OA. The number of degrees of freedom for a collection of sample data is the total number of sample values. OB. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values. 20 E D с F3 $ 4 888 R F V % 5 T G F5 B MacBook Air Y H 8 7 N F7 TEE U J 00* 8 ►II M F8 9 K O L command F10 P { alt option (13.046,22.15) x=17.598 Sx=16.01712719 n=50 1 Next…

Belirtme katseySInı bulunuz. Find the determination coefficient. Y 7 11 12 15 34 - 14 20 18 26 O A) 0,978 O B) 0,957 C) 0,913 D) 0,926 E) 0,941

How many ways are there to choose 2 different letters from A, B, C, D, E, F? (default: the order does not matter).  a. 15 b. 30 c. 11 d. 10 e. 20 f. None of the other answers is correct.

The Venn diagram shows the number of people that answered a survey about where they go grocery shopping. People who go to the grocery store 25 People who go to a farmer's market 36 8 According to the Venn diagram, if 60 people were surveyed, how many people shop at both the grocery store and the farmer's market?