DataProject 4 - Katy Shepard Joe Bus216 Data Project#4 f(t...

Katy Shepard Joe
Bus216
t-distribution
df = 34
P(lower) P(upper) t
.9826 .0174 2.20
2 1 0 -1 -2 -3 t
f(t)
2.20

Katy Shepard Joe
Bus216
A)
Hypothesis Test: Mean vs. Hypothesized Value
1,200.00 hypothesized value
35.00 mean N=number
110.80 std. dev.
3.15 std. error
1241 n
1240 df
F)
-370.40 t t=2.199 p=.0174* on proj.
1.0000 p-value (one-tailed, upper)
29.82 confidence interval 90.% lower
40.18 confidence interval 90.% upper
5.18 margin of error
C)
Hypothesis Test: Mean vs. Hypothesized Value
1,200.00 hypothesized value
100.00 mean N=number
1,241.20 std. dev.
117.81 std. error
111 n
110 df
F)
-9.34 t t=3.718 p=1.662
1.0000 p-value (one-tailed, upper)
-95.43 confidence interval 90.% lower
295.43 confidence interval 90.% upper
195.43 margin of error

Katy Shepard Joe
Bus216
E)
Hypothesis Test: Mean vs. Hypothesized Value
1,200.00 hypothesized value
35.00 mean N=number
102.80 std. dev.
2.63 std. error
1525 n
1524 df
F)
-442.56 t t=18.680 p=9.386
1.0000 p-value (one-tailed, upper)
30.67 confidence interval 90.% lower
39.33 confidence interval 90.% upper
4.33 margin of error
Hypothesis Test: Mean vs. Hypothesized Value
(G/A)
1,200.00 hypothesized value
35.00 mean N=number
110.80 std. dev.