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Exercise 8-31 Algo The monthly closing stock prices (rounded to the nearest dollar) for Panera Bread...
Exercise 8-31 Algo The monthly closing stock prices (rounded to the nearest dollar) for Panera Bread Co. for the first six months of 2010 are reported in the following table. [You may find it useful to reference the t table.] Months Closing Stock Price January 145 February 144 March 149 April 146 May 150 June 140 Source: http://finance.yahoo.com.
a. Calculate the sample mean and the sample standard deviation. (Round intermediate calculations to at least 4 decimal places and "Sample mean" and "Sample standard deviation" to 2 decimal places.)
b. Calculate the 90% confidence interval for the mean stock price of Panera Bread Co., assuming that the stock price is normally distributed. (Round "t" value to 3 decimal places and final answers to 2 decimal places.)
Solutions
milcah answered 8 months agoRelated Solutions
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Problem 8-4 Exponential Moving Averages (LO4, CFA1)
The table below shows the closing monthly stock prices for IBM
and Amazon. Calculate the exponential three-month moving average
for both stocks where two-thirds of the average weight is placed on
the most recent price. (Do not round intermediate
calculations. Round your answers to 2 decimal places.)
IBM
AMZN
January
$
181.04
$
627.91
February
180.89
633.92
March
204.07
559.97
April
221.08
551.70
May
187.57
489.50
June
213.23
483.58
July
247.79
609.39
August...
Problem 8-4 Exponential Moving Averages (LO4, CFA1) The table below shows the closing monthly stock prices...
Problem 8-4 Exponential Moving Averages (LO4, CFA1) The table
below shows the closing monthly stock prices for IBM and Amazon.
Calculate the exponential three-month moving average for both
stocks where two-thirds of the average weight is placed on the most
recent price. (Do not round intermediate calculations. Round your
answers to 2 decimal places.) IBM AMZN January $ 175.64 $ 614.86
February 177.29 624.20 March 192.73 572.66 April 209.11 548.10 May
191.89 508.22 June 209.09 494.38 July 235.82 606.69 August...
Problem 8-3 Simple Moving Averages (LO4, CFA1) The table below shows the closing monthly stock prices...
Problem 8-3 Simple Moving Averages (LO4, CFA1) The table below
shows the closing monthly stock prices for IBM and Amazon.
Calculate the simple three-month moving average for each month for
both companies. (Input all amounts as positive values. Do not round
intermediate calculations. Round your answers to 2 decimal places.)
IBM AMZN January $ 179.84 $ 625.01 February 180.09 631.76 March
201.55 562.79 April 218.42 550.90 May 188.53 493.66 June 212.31
485.98 July 245.13 608.79 August 194.32 533.31 September 224.39...
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only has excess capacity for 200 units. The following cost and
price data apply to Department Seller. External
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price $108 Variable
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cost 40 Fixed
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quarterly, for 15 years.
Find the final amount (rounded to the nearest dollar) in a retirement account where $500 per...
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at 7.8%, compounded monthly for 25 years.
The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple...
The table below shows the closing monthly stock prices for IBM
and Amazon. Calculate the simple three-month moving average for
each month for both companies. (Input all amounts as
positive values. Do not round intermediate calculations. Round your
answers to 2 decimal places.)
IBM
AMZN
January
$
172.04
$
606.16
February
174.89
617.72
March
185.17
581.12
April
201.13
545.70
May
194.77
520.70
June
206.33
501.58
July
227.84
604.89
August
210.31
539.16
September
218.15
514.00
October
213.99
596.68
November
194.09
595.91...
The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the exponential...
The table below shows the closing monthly stock prices for IBM
and Amazon. Calculate the exponential three-month moving average
for both stocks where two-thirds of the average weight is placed on
the most recent price. (Do not round intermediate
calculations. Round your answers to 2 decimal places.)
IBM
AMZN
January
$
177.44
$
619.21
February
178.49
627.44
March
196.51
568.43
April
213.10
549.30
May
190.45
501.98
June
210.47
490.78
July
239.81
607.59
August
199.24
535.11
September
222.47
511.66
October
215.07...
The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple...
The table below shows the closing monthly stock prices for IBM
and Amazon. Calculate the simple three-month moving average for
each month for both companies. (Input all amounts as
positive values. Do not round intermediate calculations. Round your
answers to 2 decimal places.)
IBM
AMZN
January
$
181.04
$
627.91
February
180.89
633.92
March
204.07
559.97
April
221.08
551.70
May
187.57
489.50
June
213.23
483.58
July
247.79
609.39
August
191.86
532.41
September
225.35
510.10
October
215.79
611.83
November
200.84
582.86...
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