A previous student of this class was curious about the relationship between number of hours a person slept before an exam and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number of hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: Number of hours slept Number of correct before exam: X answers on exam: Y XY X2 Y2 8 10 9 7 15. Evaluate the Null Hypothesis (Reject or Fail to reject?). Use the attached table. How did you make your decision? What is your conclusion about the two variables?

Q: 6+w=4

A: The give equation is 6 + w = 4To find the value of w.

Q: 3y=45

A: Given information:

Q: V16 e2* dx e

A: we have to find the integral

Q: $ 438 200 115 2 215 433 380 193 45

A: Arrange the given observations in ascending order. 40, 45,52,115,124,126,185,189,193,200,…

Q: 12 I+(-1'] = i=1

A:

Q: 3. %3D

A: Introduction: There are two types of fractions. One is a proper fraction and another is an improper…

Q: VEX2 9

A: Use the substitution and solve the integral easily.

Q: 3. 3 de dy 40

A:

Q: २५१ 0,25%- %3D ().

A:

Q: 4-÷2 3.

A: The given expression is

Q: Redo C please

A: .

Q: 14 m2a2

A: Total female = 133+43 = 178 Total "did not graduate" = 55+43 = 98 Grand total= (126+55+133+43)  =…

Q: dx Ve4x – 49

A:

Q: -5 -1 1. 4

A:

Q: 1.E=2 Xị

A:

Q: Complete the table

A:

Q: answer question D

A:

Q: Find ay Sin(x+y)=Cos X t cos y

A:

Q: ex- 12

A: Given: y=ex-12 we know that am-n=aman

Q: A 25 24

A:

Q: 2 2 of

A: Please see the answer below.

Q: 18+x=14

A: We will find the value of x

Q: 5X 11

A: Given query is to find the value of x

Q: B. 168

A: Explanation and solutions is given below....

Q: 36 please

A: Given rt=cost i +sint j +2t k  ,  t=π3

Q: 14+m/10=24

A: Given,          14 + m10 = 24

Q: 72° C 9x A

A: Given,          A triangle is shown below :

Q: 4 10

A: Given: The figure,

Q: 7 25 24 A B

A: Given: A right triangle with C as 90o. AB = 25 BC =7 AC = 24     To determine: angle α

Q: B+A=18 B=

A: B + A = 18

Q: 10+9=3p

A:

Q: 247

A:

Q: 2

A:

Q: 20 . 35 60.

A: Given equation: 20=3560 Consider the missing term be 'x' 20x=3560 The objective is to find the value…

Q: S dx 2 x-6x

A:

Q: Ty

A:

Q: -2.2p

A: -2. 2p  =  (-2) (2p)              = -4p