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Hypothesis Test: Mean vs. Hypothesized Value

800.00 hypothesized value

788.00 mean Data

40.00 std. dev.

2.31 std. error

300 n

-5.20 z

2.03E-07 p-value (two-tailed)

782.63 confidence interval 98.% lower

793.37 confidence interval 98.% upper

5.37 margin of error

Hypothesis Test: Mean vs. Hypothesized Value

22.200 hypothesized value

21.900 mean Data

1.420 std. dev.

0.237 std. error

36 n

-1.27 z

.1025 p-value (one-tailed, lower)

Hypothesis Test: Mean vs. Hypothesized Value

40.00 hypothesized value

38.00 mean Data5.80 std. dev.

0.73 std. error

64 n

-2.76 z

.0029 p-value (one-tailed, lower)

36.37 confidence interval 97.5% lower

39.63 confidence interval 97.5% upper

1.63 margin of error

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Hypothesis Test: Mean vs. Hypothesized Value

162.500 hypothesized value

162.500 mean Data

6.900 std. dev.

0.976 std. error50 n

0.00 z

.5000 p-value (one-tailed, upper)

Hypothesis Test: Mean vs. Hypothesized Value

162.500 hypothesized value

165.200 mean Data

6.900 std. dev.

0.976 std. error

50 n

2.77 z

.0028 p-value (one-tailed, upper)

Descriptive statistics

# 1

count 10

mean 10.060

sample variance 0.060

sample standard deviation 0.246

Hypothesis Test: Mean vs. Hypothesized Value

10.0000 hypothesized value

10.0600 mean Data

0.2459 std. dev.

0.0777 std. error

10 n

9 df

0.77 t

.2300 p-value (one-tailed, upper)

9.8073 confidence interval 99.% lower

10.3127 confidence interval 99.% upper

0.2527 margin of error

Hypothesis test for proportion vs hypothesized value

Observed Hypothesized

0.3 0.2 p (as decimal)

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3) 4)

Paso 1 Paso 1

Ho: U=40 Ho: U=162.5

Prueba de cola izquierda H1: U162.5

Paso 2 Paso 2

0.05 = 0.025 = 0.050.95 1-= 0.975 1-= 0.95

Paso 3 Paso 3

Datos Datos

21.9 Media= 38 Media=

1.42 S 5.8 S

36 >30 Z n 64 >30 Z n

Paso 4 Paso 4

p-value (one-tailed, lower) .0029 p-value (one-tailed, lower) .0028

Paso 5 Paso 5

Como p=0.00290.05. NORECHAZAN Ho

do promedio de la maquina

ora es igual a 22.2 decilitros

significancia

Lest than: menor que

Si hay razon para creer que la vida

media de los ratones es menor de

40 meses con 2.5% de significancia

Si hay razon

cambio en la

5% de signifi

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7) 16)

10.2 Paso 1

9.7 Ho: P=0.2

10.1 H1: P>0.2

10.3

10.1 Paso 2

9.8 = 0.059.9 1-= 0.95

10.4

10.3 Paso 3

9.8 Datos

165.2 Paso 1 P= 0.3

6.9 Ho: U=10

50 >30 Z H1: U>10 n 20

Paso 2 Paso 4

p-value (one-tailed, upper) = 0.01 .1318 p-value (one-

1-= 0.99

Paso 5

Paso 3 Como p=0.1318>0.05. NOR

8

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17) 18)

Paso 1 Paso 1

Ho: P=0.4 Ho: P=0.6|

H1: P>0.4 H1: P30 Z n 200 >30 Z

>30 Z

Paso 4 Paso 4

.1520 p-value (one-tailed, upper) .0745 p-value (one-tailed, lower)

ailed, upper)

Paso 5 Paso 5

Como p=0.152>0.05. NORechazar Ho Como p=0.0745>0.04. NORechazar Ho

chazar Ho

Paso 6 Paso 6

n con

No hay razon para que creer que la

proporcion de adultos que hoy

favorece la pena capital ha

aumentado con 5% de

Al menos el 60% favorece la

demanda de anexion con 4% de

significancia