According to a report, the standard deviation of deviation of monthly cell phone bill was $48.93 three years ago. A researcher suspects that the standard deviation of deviation of monthly cell phone bill is different from different from today. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type I error. (c) Explain what it would mean to make a Type II error. (a) State the hypotheses. Upper H0: ▼ pp muμ sigmaσ ▼ greater than> not equals≠ less than< equals= $nothing Upper H 1H1: ▼ muμ pp sigmaσ ▼ greater than> not equals≠ equals= less than< $nothing (Type integers or decimals. Do not round.) (b) Explain what it would mean to make a Type I error. Choose the correct answer below. The sample evidence led the researcher to believe the standard deviation of deviation of the monthly cell phone bill is higher than higher than $48.93, when in fact the standard deviation of the bill bill is $48.93. B. The sample evidence led the researcher to believe the standard deviation of the monthly cell phone bill is different from different from $ 48.93, when in fact the standard standard deviation of deviation of the bill bill is $48.93. C. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone bill bill is higher than higher than $48.93, when in fact the standard deviation of the bill bill is higher than higher than $ 48.93. D. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone bill is different from $48.93, when in fact the standard standard deviation ofdeviation of the bill bill is different fromdifferent from $48.93. (c) Explain what it would mean to make a Type II error. Choose the correct answer below. A. The sample evidence led the researcher to believe the standardstandard deviation of deviation of the monthly cell phone bill bill is different fromdifferent from $48.93, when in fact the standard standard deviation ofdeviation of the bill is $48.93. B. The sample evidence did not lead the researcher to believe the standard standard of the monthly cell phone bill bill is different fromdifferent from $48.93, when in fact the standard standard deviation ofdeviation of the bill is different from $48.93 C. The sample evidence did not lead the researcher to believe the standards deviation of deviation of the monthly cell phone billis higher than $48.93, when in fact the standard standard deviation of deviation of the bill is higher thanhigher than $48.93. D. The sample evidence led the researcher to believe the standardstandard deviation ofdeviation of the monthly cell phone bill is different from $48.93, when in fact the standard deviation of the bill bill is different from $48.93.

According to a report, the standard deviation of deviation of monthly cell phone bill was $48.93 three years ago. A researcher suspects that the standard deviation of deviation of monthly cell phone bill is different from different from today. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type I error. (c) Explain what it would mean to make a Type II error. (a) State the hypotheses. Upper H0: ▼ pp muμ sigmaσ ▼ greater than> not equals≠ less than< equals= $nothing Upper H 1H1: ▼ muμ pp sigmaσ ▼ greater than> not equals≠ equals= less than< $nothing (Type integers or decimals. Do not round.) (b) Explain what it would mean to make a Type I error. Choose the correct answer below. The sample evidence led the researcher to believe the standard deviation of deviation of the monthly cell phone bill is higher than higher than $48.93, when in fact the standard deviation of the bill bill is $48.93. B. The sample evidence led the researcher to believe the standard deviation of the monthly cell phone bill is different from different from $ 48.93, when in fact the standard standard deviation of deviation of the bill bill is $48.93. C. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone bill bill is higher than higher than $48.93, when in fact the standard deviation of the bill bill is higher than higher than $ 48.93. D. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone bill is different from $48.93, when in fact the standard standard deviation ofdeviation of the bill bill is different fromdifferent from $48.93. (c) Explain what it would mean to make a Type II error. Choose the correct answer below. A. The sample evidence led the researcher to believe the standardstandard deviation of deviation of the monthly cell phone bill bill is different fromdifferent from $48.93, when in fact the standard standard deviation ofdeviation of the bill is $48.93. B. The sample evidence did not lead the researcher to believe the standard standard of the monthly cell phone bill bill is different fromdifferent from $48.93, when in fact the standard standard deviation ofdeviation of the bill is different from $48.93 C. The sample evidence did not lead the researcher to believe the standards deviation of deviation of the monthly cell phone billis higher than $48.93, when in fact the standard standard deviation of deviation of the bill is higher thanhigher than $48.93. D. The sample evidence led the researcher to believe the standardstandard deviation ofdeviation of the monthly cell phone bill is different from $48.93, when in fact the standard deviation of the bill bill is different from $48.93.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

According to a report, the

standard

deviation of deviation of

monthly cell phone

bill

was

$48.93

three years ago. A researcher suspects that the

standard

deviation of deviation of

monthly cell phone

bill

different from different from

today.

(a)	Determine the null and alternative hypotheses.
(b)	Explain what it would mean to make a Type I error.
(c)	Explain what it would mean to make a Type II error.

(a) State the hypotheses.

Upper H0:

▼

muμ

sigmaσ

▼

greater than>

not equals≠

less than<

equals=

$nothing

Upper H 1H1:

▼

muμ

sigmaσ

▼

greater than>

not equals≠

equals=

less than<

$nothing

(Type integers or decimals. Do not round.)

(b) Explain what it would mean to make a Type I error. Choose the correct answer below.

The sample evidence led the researcher to believe the

standard

deviation of deviation of

the monthly cell phone

bill

higher than higher than

$48.93,

when in fact the

standard deviation of

the

bill bill

is $48.93.

The sample evidence led the researcher to believe the

standard deviation of

the monthly cell phone

bill

different from different from

$ 48.93,

when in fact the

standard standard

deviation of deviation of

the

bill bill

$48.93.

The sample evidence did not lead the researcher to believe the

standard deviation of

the monthly cell phone

bill bill

higher than higher than

$48.93,

when in fact the

standard deviation of

the

bill bill

higher than higher than

$ 48.93.

The sample evidence did not lead the researcher to believe the

standard deviation of

the monthly cell phone

bill

different from

$48.93,

when in fact the

standard standard

deviation ofdeviation of

the

bill bill

different fromdifferent from

$48.93.

The sample evidence led the researcher to believe the

standardstandard

deviation of deviation of

the monthly cell phone

bill bill

different fromdifferent from

$48.93,

when in fact the

standard standard

deviation ofdeviation of

the

bill

$48.93.

The sample evidence did not lead the researcher to believe the

standard standard

the monthly cell phone

bill bill

different fromdifferent from

$48.93,

when in fact the

standard standard

deviation ofdeviation of

the

bill

different from

$48.93

The sample evidence did not lead the researcher to believe the

standards

deviation of deviation of

the monthly cell phone bill
is

higher than

$48.93,

when in fact the

standard standard

deviation of deviation of

the

bill

higher thanhigher than

$48.93.

The sample evidence led the researcher to believe the

standardstandard

deviation ofdeviation of

the monthly cell phone bill is

different from

$48.93,

when in fact the

standard deviation of

the

bill bill

different from

$48.93.

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