Question

The following table shows the weights (in pounds) and the number of hours slept in a day by a random sample of infants. Test the claim that M not equals ≠0. Use alpha α equals = 0.1 0.1. Then interpret the results in the context of the problem. If convenient, use technology to solve the problem. LOADING... Click the icon to view more information about hypothesis testing for slope. Weight, x 8.2 8.2 10.1 10.1 9.9 9.9 7.2 7.2 6.9 6.9 11.3 11.3 11.1 11.1 15.1 15.1 Hours slept, y 14.7 14.7 14.6 14.6 14.1 14.1 14.2 14.2 13.8 13.8 13.2 13.2 13.8 13.8 12.6 12.6 Identify the null and alternative hypotheses. A. Upper H 0 H0: M not equals ≠0 Upper H Subscript Upper A HA: M equals =0 B. Upper H 0 H0: M greater than or equals ≥0 Upper H Subscript Upper A HA: M not equals ≠0 C. Upper H 0 H0: M less than or equals ≤0 Upper H Subscript Upper A HA: M not equals ≠0 D. Upper H 0 H0: M equals =0 Upper H Subscript Upper A HA: M not equals ≠0 Calculate the test statistic. t equals = nothing (Round to three decimal places as needed.) Calculate the P-value P equals = nothing (Round to four decimal places as needed.) State the conclusion. ▼ Reject Fail to reject Upper H 0 H0. There is ▼ insufficient sufficient evidence at the 10 10% level of significance to support the claim that there is a linear relationship between weight and number of hours slept.

Answer #1

Excel output for the same is attached below

We want to compare the
soil water content (% water by volume) of two fields growing bell
peppers.
The claim is that the two fields have different soil water
content.
Use the data below to test the hypothesis that the fields have
different soil water content.
Field 1 is in list1 and Field 2 is in list2.
We do not know whether the water content values are normally
distributed or not, but their variances are equal.
Provide your answers below....

The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers.
Soil water content from field I: x1; n1 = 72
15.2 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1 14.3 10.7 16.1 10.2
15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8 9.0 8.4 8.2 12.0
13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2 13.8 14.6 10.2 11.5
13.1 14.7 12.5...

The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers.
Soil water content from field I: x1; n1 = 72
15.2 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1 14.3 10.7 16.1 10.2
15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8 9.0 8.4 8.2 12.0
13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2 13.8 14.6 10.2 11.5
13.1 14.7 12.5...

Will rate, please and thank you!
9. Telephone Interviews: Survey The National Study of the
Changing Work Force conducted an extensive survey of 2958 wage and
salaried workers on issues ranging from relationships with their
bosses to household chores. The data were gathered through
hour-long telephone interviews with a nationally representative
sample (The Wall Street Journal). In response to the question “What
does success mean to you?” 1538 responded, “Personal satisfaction
from doing a good job.” Let p be the...

The table below shows the number of hours per day 11 patients
suffered from headaches before and after 7 weeks of soft tissue
therapy. At alphaαequals=0.01,
is there enough evidence to conclude that soft tissue therapy
helps to reduce the length of time patients suffer from headaches?
Assume the samples are random and dependent, and the population is
normally distributed. Complete parts (a) through (f).
Patient Daily headache hours (before)
Daily headache hours (after)
1 3.1 2.4
2 1.8 2.2...

ou may need to use the appropriate appendix table or technology
to answer this question.
The following data are product weights for the same items
produced on two different production lines.
Line 1
Line 2
13.6
13.7
13.8
14.1
14.0
14.2
13.9
14.0
13.4
14.6
13.2
13.5
13.3
14.4
13.6
14.8
12.9
14.5
14.4
14.3
15.0
14.9
Test for a difference between the product weights for the two
lines. Use α = 0.05.
State the null and alternative hypotheses.
H0:...

7. Using Excel, find the mean and the standard deviation of the
AT&T speeds from the data set #32 Airport Data Speeds. Round
your answers to 3 decimal places. (Show your work!)
mean, x :
standard deviation:
AIRPORT
CODE
VERIZON
SPRINT
AT&T
T-MOBILE
ATL
77.8
0.4
33.9
27.3
AUS
28.5
0.5
29.0
5.1
BNA
1.9
2.3
4.6
9.5
BOS
6.2
1.0
11.7
9.6
BWI
43.0
3.4
12.7
3.2
CLE
15.1
0.5
7.6
24.7
CLT
7.9
1.1
9.1
4.4
CMH
25.7...

The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers. Soil water content
from field I: x1; n1 = 72 15.2 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1
14.3 10.7 16.1 10.2 15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8
9.0 8.4 8.2 12.0 13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2
13.8 14.6 10.2 11.5 13.1 14.7 12.5...

The data below were
obtained to predict the sound frequency to which a person’s ear
will respond based upon the length of time a person has been
exposed to a high level of noise. Here “length of exposure” is the
amount of time in weeks that a person has been living close to a
major airport and the “hearing range” is reported in thousand
cycles per second. Length of exposure In weeks (Left) Hearing range
In thousand cycles per second...

A gardener plants 300 sunflower seeds (of a brand called
KwikGrow) and, after 2 weeks, measures the seedlings’ heights (in
mm). These height are: 38.6 39.1 50.4 49.2 46.2 0 43.1 49.6 16.1
17.9 11.6 50.2 36.5 50.6 40.3 36.3 14.3 40.8 12.1 43.7 47.2 49.9
37.9 49.1 53 47.7 13.8 38.3 49.2 50.6 49.6 52.3 19.8 12.8 46.9 35.3
38.7 39.3 12.4 51.9 36.9 20.8 51.7 44.3 49.1 10.7 14.9 48.2 14.8 38
41.4 39.4 11.9 13.8 0 35.1...

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