Question
In: Statistics and Probability
The yield data (kg/plot) were collected from 20 plots. Each fertilizer (A or B) was randomly...
The yield data (kg/plot) were collected from 20 plots. Each fertilizer (A or B) was randomly assigned to 10 plots.
| Fertilizer A | 17.5 | 17.9 | 18.2 | 16.9 | 17.2 | 17.5 | 17.3 | 18.9 | 16.8 | 17.1 |
| Fertilizer B | 18.4 | 17.9 | 18.2 | 17.6 | 17.6 | 18.8 | 18.1 | 17.4 | 17.8 | 17.6 |
a. State the null and alternative hypotheses.
b. Conduct 2 tailed, paired t-test
c. Make a conclusion based on a 10% significance level. Briefly explain how do you make this conclusion.
Solutions
orchestra answered 1 year agoRelated Solutions
The following data were collected from a survey of 10 randomly selected college students: Find the...
The following data were collected from a survey of 10 randomly
selected college students:
Find the mean, median, mode, variance, standard deviation, the
five number summary report of the hours per week of the sample of
students’ studied. Show your work.
Student ID
Facebook
# hours of study per week
244701130
Yes
8
302896051
no
5
734077249
yes
11
891072704
yes
5
730265917
yes
9
894866913
no
6
644678646
no
1
369417477
yes
1
388511718
yes
2
554470987
no
1
Q1 A. The following data refers to yield of tomatoes (kg/plot) for four different levels of...
Q1
A. The following data refers to yield of tomatoes
(kg/plot) for four different levels of salinity. Salinity
level here refers to electrical conductivity (EC), where the
chosen levels were EC = 1.6, 3.8, 6.0 and 10.2
nmhos/cm
EC in nmhos/cm
Ti
1.6
59.5
53.3
56.8
63.1
58.7
291.4
3.8
55.2
59.1
52.8
54.5
221.6
6.0
51.7
48.8
53.9
49.0
203.4
10.2
44.6
48.5
41.0
47.3
46.1
227.5
I- Use the F test at level α = 0.05 to test...
A student makes three plots of their data and finds that a plot of [A] vs...
A student makes three plots of their data and finds that a plot
of [A] vs t is non-linear, a plot of ln[A] vs t is non-linear, and
a plot of 1/[A] vs t is linear. What is the rate law of the
reaction?
Frequency Plots: a) How do you draw a frequency plot given a data set? b) What...
Frequency Plots:
a) How do you draw a frequency plot given a data set?
b) What information about a data set do you get from a frequency
plot of that set?
c) What is the difference between theoretical and experimental
frequency plots?
i. When is it a safe bet to say that experimental frequency plots
will begin to look like theoretical frequency plots?
d) How does the frequency plot relate to the cumulative
distribution plot?
i. How do you draw...
Plot Fertilizer A Fertilizer B Fertilizer C 1 563 588 575 2 593 624 593 3...
Plot
Fertilizer A
Fertilizer B
Fertilizer C
1
563
588
575
2
593
624
593
3
542
576
564
4
649
672
653
5
565
583
556
6
587
612
590
7
595
617
607
8
429
446
423
9
500
515
483
10
610
641
626
11
524
547
523
12
559
586
568
13
546
582
551
14
503
530
502
15
550
573
567
16
492
518
495
17
497
529
513
18
619
643
626
19...
Urgent Plot Fertilizer A Fertilizer B Fertilizer C 1 563 588 575 2 593 624 593...
Urgent
Plot
Fertilizer A
Fertilizer B
Fertilizer C
1
563
588
575
2
593
624
593
3
542
576
564
4
649
672
653
5
565
583
556
6
587
612
590
7
595
617
607
8
429
446
423
9
500
515
483
10
610
641
626
11
524
547
523
12
559
586
568
13
546
582
551
14
503
530
502
15
550
573
567
16
492
518
495
17
497
529
513
18
619
643
626...
Plot Fertilizer A Fertilizer B Fertilizer C 1 563 588 575 2 593 624 593 3...
Plot
Fertilizer A
Fertilizer B
Fertilizer C
1
563
588
575
2
593
624
593
3
542
576
564
4
649
672
653
5
565
583
556
6
587
612
590
7
595
617
607
8
429
446
423
9
500
515
483
10
610
641
626
11
524
547
523
12
559
586
568
13
546
582
551
14
503
530
502
15
550
573
567
16
492
518
495
17
497
529
513
18
619
643
626
19...
Suppose data were collected on the number of customers that frequented a grocery stores on randomly...
Suppose data were collected on the number of customers that
frequented a grocery stores on randomly selected days before and
after the governor of the state declared a lock down due to COVID
19. A sample of 6 days before the lockdown were chosen as well as 6
days randomly chosen after the lock down was in place. The number
of shoppers each day were as follows:
Before lock down
After lock down
100
60
110
50
115
70
120...
Suppose data were collected on the number of customers that frequented a grocery stores on randomly...
Suppose data were collected on the number of customers that
frequented a grocery stores on randomly selected days before and
after the governor of the state declared a lock down due to COVID
19. A sample of 6 days before the lockdown were chosen as well as 6
days randomly chosen after the lock down was in place. The number
of shoppers each day were as follows:
Before lock down
After lock down
100
60
110
50
115
70
120...
The data for 30 samples of 5 measurments each were collected from a process at Hawkeye...
The data for 30 samples of 5 measurments each were collected
from a process at Hawkeye Plastics. They've asked you to create an
x_bar chart and an s-chart for the process and to interpret the
results for them.
a) What vallues will be used for the centerline, upper control
limit, and lower control limit of each chart?
b) Creat the control charts.
c) Does the process appear to be in statistical control? Why or
why not?
d) The specification for...
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