Randomly pick eight stocks from the newspaper. Using two consecutive days' business sections, test whether the stocks went down, on average, for the second day.

Stocks

2/21=X1

2/22=X2

GOOG

1518.15

1485.11

GOOGL

1516.99

1483.64

FB

214.58

210.18

T

38.61

38.51

DIS

140.37

138.97

VZ

58.09

58.20

CMCSA

42.02

45.82

NFLX

386.00

380.07

CHTR

539.22

535.34

TMUS

99.50

98.57

MEAN

455.353

447.441

1. H0:

2. Ha:

3. In words, define the random variable =

4. The distribution to use for the test is

5. The test statistic is

6. Draw a graph and label it appropriately. Shade the actual level of significance.

a. Graph:

b. Calculate the p-value:

7. Because the p-value

8. clear conclusion using a complete sentence.