Question
In: Statistics and Probability
The following data presents the number of units of production per day turnout by 5 different...
The following data presents the number of units of
production per day turnout by 5 different number of workers using
five different number of machines.
Machines types
Workers A B C
D
1.
44 38 47 36
2.
46 40 52 43
3.
34 36 44 32
4. 43
38 46 33
5.
38 42 49 39
1. test whether the mean productivity is same for the different
machines
2. test whether the five workers differ with respect
to
mean productivity
Solutions
orchestra answered 1 year agoRelated Solutions
The following are data on the number of loans approved by a bank per day for...
The
following are data on the number of loans approved by a bank per
day for 25 working days:
73
19 16 64 28 28 31 90 60 56 31 56 22 18 45 48 17 17 17 91 92 63 50
51 69
a.
Calculate the average, median, quartile 1 and quartile
3
b.
Calculate range, interquartile range, variance, standard deviation,
and coefficient of variation.
c.
Draw a box plot, give a conclusion
A company has a production at a rate of 200 units per day. 80 units will...
A company has a production at a rate of 200 units per day. 80
units will be sold daily. The production will take place five days
a week, 48 weeks a year. It usually takes a full day to get the
machine ready for another production run, at a cost of $300.
Inventory holding costs will be $10 a year. (calculate to2 decimal
places)
a. What is the optional run size and
lowest annual cost for carrying and setup?
b....
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television – related content.
Complete parts a) and b) below.
1.3 5.1 4.2 5.4 7.7 6.8 5.6 2.7 5.2 1.8 2.2 8.8
Construct a 99% confidence interval to estimate the average
number of hours per day adults spend in front of screens watching
television – related content.
a) The 99% confidence interval to estimate the average number of
hours per day adults...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television-related content.
Complete parts a and b below. 1.2, 4.6 ,4.3 ,5.1 ,7.9 ,7.1 ,5.7
,3.5 5.4, 1.2 ,2.5 and 8.4 a. Construct a 99% confidence interval
to estimate the average number of hours per day adults spend in
front of screens watching television-related content. The 99%
confidence interval to estimate the average number of hours per day
adults spend in front...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults
spent in front of screens watching television-related content.
1.7, 4.6, 4.1, 4.7, 7.1, 6.6, 5.9, 2.6, 5.3, 1.5, 2.3, 8.6
Construct a 95% confidence interval to estimate the average
number of hours per day adults spend in front of screens watching
television-related content.
Estimate the average number of hours per day adults spend in
front of screens watching television-related content from min to
max hours
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day
12 adults spent in front of screens watching television-related
content. Complete parts a and b below.
1.31.3
4.84.8
4.34.3
4.94.9
7.67.6
6.96.9
5.45.4
3.33.3
5.15.1
1.11.1
2.12.1
8.18.1
a.a.
Construct a 95% confidence interval to estimate the average
number of hours per day adults spend in front of screens
watchingtelevision-related content.
The 95% confidence interval to estimate the average number of
hours per day adults spend in front of screens...
The following data represent the number of flash drives sold per day at a local computer...
The following data
represent the number of flash drives sold per day at a local
computer shop and their prices.
Price (x) Units Sold
(y)
$34
4
36
4
32 6
35
5
31
9
38
2
39
1
You may use Excel for
solving this problem.
Compute the sample correlation
coefficient between the price and the number of flash drives
sold.
Develop a least-squares
estimated regression line.
Compute the coefficient of
determination and explain its meaning.
Test to...
Shak Inc has accumulated the following data for the past 5 months: Number of units total...
Shak Inc has accumulated the following data for the past 5
months:
Number of units total overhead costs
August . 2,250 $39,820
September 2,340 $38,650
October . 2,180 $37,880
November 2,080 $38,110
December 2,090 $35,830
Shak Inc, uses the high/low method of separating mixed costs
into variable and fixed components.
Required:
A. Calculate the variable overhead costs per
unit and the total fixed overhead costs.
B. If the company expects to produce 3,000 units in January,
what will the estimated total...
The following data are given for Harry Company: Budgeted production 1,056 units Actual production 900 units...
The following data are given for Harry Company:
Budgeted production
1,056 units
Actual production
900 units
Materials:
Standard price per ounce
$1.758
Standard ounces per completed unit
11
Actual ounces purchased and used in
production
10,197
Actual price paid for materials
$20,904
Labor:
Standard hourly labor rate
$14.09 per hour
Standard hours allowed per completed
unit
4.4
Actual labor hours worked
4,635
Actual total labor costs
$75,319
Overhead:
Actual and budgeted fixed overhead
$1,054,000
Standard variable overhead rate
$24.00 per...
The following data are given for Stringer Company: Budgeted production 959 units Actual production 1,063 units...
The following data are given for Stringer Company:
Budgeted production
959 units
Actual production
1,063 units
Materials:
Standard price per ounce
$1.9
Standard ounces per completed unit
10
Actual ounces purchased and used in
production
10,949
Actual price paid for materials
$22,445
Labor:
Standard hourly labor rate
$14.96 per hour
Standard hours allowed per completed
unit
4.6
Actual labor hours worked
5,474.45
Actual total labor costs
$83,485
Overhead:
Actual and budgeted fixed overhead
$1,186,000
Standard variable overhead rate
$27.00 per...
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