Question
In: Statistics and Probability
# of Patients Year Month 2015 2016 1 4825 5262 2 4752 5435 3 4948 5481...
| # of Patients | ||
| Year | ||
| Month | 2015 | 2016 |
| 1 | 4825 | 5262 |
| 2 | 4752 | 5435 |
| 3 | 4948 | 5481 |
| 4 | 5041 | 6081 |
| 5 | 5300 | 5936 |
| 6 | 5232 | 5627 |
| 7 | 5151 | 5856 |
| 8 | 5585 | 5763 |
| 9 | 5520 | 5924 |
| 10 | 5136 | 5787 |
| 11 | 5077 | 5474 |
| 12 | 5300 | 5699 |
| b. You want to answer the question: Is there a difference in the average number of patients being seen in the emergency room between 2015 and 2016? | ||||||||||
| Why would an independent samples t-test be most appropriate? | ||||||||||
| c. State your null and alternative hypothesis in words and symbols for an independent samples t-test. | ||||||||||
| H0: | ||||||||||
| Ha: | ||||||||||
| H0: | ||||||||||
| Ha: | ||||||||||
| t-Test: Two-Sample Assuming Unequal Variances | ||||||||||
Solutions
orchestra answered 2 years agoRelated Solutions
Year Month 2015 2016 1 4825 5262 2 4752 5435 3 4948 5481 4 5041 6081...
Year
Month
2015
2016
1
4825
5262
2
4752
5435
3
4948
5481
4
5041
6081
5
5300
5936
6
5232
5627
7
5151
5856
8
5585
5763
9
5520
5924
10
5136
5787
11
5077
5474
12
5300
5699
b. You want to answer the question: Is there a difference in the
average number of patients being seen in the emergency room between
2015 and 2016?
Why would
an independent samples t-test be most appropriate?
c. State your null...
Choice Hotels Marriott International (2016/2015)-1 (2016/2015)-1 Ratios 2016 2015 2016 2015 Percent Change from 2015 to...
Choice
Hotels
Marriott
International
(2016/2015)-1
(2016/2015)-1
Ratios
2016
2015
2016
2015
Percent Change from 2015 to 2016
Percent Change from 2015 to 2016
Choice
Marriott
Basic earning power (BEP) ratio = earnings
before interest and taxes (EBIT) / total assets
3.5
3.2
0.06
0.23
0.09
2.98
Return on equity (ROE) = net profit /
total equity
-0.45
-0.32
0.15
-0.24
0.41
-1.61
Return on assets (ROA) = net income /
total assets
0.16
0.18
0.03
0.14
-0.08
-0.77
Profit margin...
year stock A stock B 2015 3 % 40% 2016 5 % -5% 2017 1 %...
year stock A stock B
2015 3 % 40%
2016 5 % -5%
2017 1 % 30%
2018 10 % -10%
2019 6 % 35 %
(1) Determine the correlation coefficient of returns of stocks A
and B. Can you reduce risk by creating a portfolio of the
combination of both stocks? why or why not?
(2) if you invest 80% of money in stock A and another 20% in
stock B, calculate expected rate of return and standard deviation...
1. Consider a stock with the following return information for 2015-2020 Year Return 2015 25% 2016 ...
1. Consider a stock with the following return information for
2015-2020
Year Return
2015 25%
2016 -15%
2017 3%
2018 41%
2019 -6%
2020 12%
Find the following for your sample of returns: Average Return,
Variance, and Standard Deviation.
2. Jamie’s portfolio consists of $15,000 in Microsoft stock and
$45,000 in Coca Cola. Microsoft has an expected return of 19%
annually with a standard deviation of 42%. Coca Cola has an
expected return of 10% annually with a standard deviation...
year quarter period EMPLOYED INDIVIDUALS (2016-2019) 1 1 1 4169189.0 1 2 2 4262978.0 1 3...
year
quarter
period
EMPLOYED INDIVIDUALS (2016-2019)
1
1
1
4169189.0
1
2
2
4262978.0
1
3
3
4306669.0
1
4
4
4310845.0
2
1
5
4338992.0
2
2
6
4387124.0
2
3
7
4372602.0
2
4
8
4431912.0
3
1
9
4495638.0
3
2
10
4520797.0
3
3
11
4558422.0
3
4
12
4582166.0
4
1
13
4648638.0
4
2
14
4657061.0
4
3
15
4631183.0
4
4
16
4715879.0
Number of
people
With these time series:
Use regression...
year quarter period EMPLOYED INDIVIDUALS (2016-2019) 1 1 1 4169189.0 1 2 2 4262978.0 1 3...
year
quarter
period
EMPLOYED INDIVIDUALS (2016-2019)
1
1
1
4169189.0
1
2
2
4262978.0
1
3
3
4306669.0
1
4
4
4310845.0
2
1
5
4338992.0
2
2
6
4387124.0
2
3
7
4372602.0
2
4
8
4431912.0
3
1
9
4495638.0
3
2
10
4520797.0
3
3
11
4558422.0
3
4
12
4582166.0
4
1
13
4648638.0
4
2
14
4657061.0
4
3
15
4631183.0
4
4
16
4715879.0
Number of
people
With these time series:
Using time...
year quarter period EMPLOYED INDIVIDUALS (2016-2019) 1 1 1 4169189.0 1 2 2 4262978.0 1 3...
year
quarter
period
EMPLOYED INDIVIDUALS (2016-2019)
1
1
1
4169189.0
1
2
2
4262978.0
1
3
3
4306669.0
1
4
4
4310845.0
2
1
5
4338992.0
2
2
6
4387124.0
2
3
7
4372602.0
2
4
8
4431912.0
3
1
9
4495638.0
3
2
10
4520797.0
3
3
11
4558422.0
3
4
12
4582166.0
4
1
13
4648638.0
4
2
14
4657061.0
4
3
15
4631183.0
4
4
16
4715879.0
Number of
people
With these time series:
Present a...
Problem 3: Google Apple’s Income Statements for 2016 and 2015. Note that Apple’s financial year ends...
Problem
3:
Google Apple’s Income Statements for 2016 and 2015. Note that
Apple’s financial year ends on the last working day in September.
Also google their Balance Sheets for 2016, 2015, and 2014. We
suggest you use the www.nasdaq.com website, which provides all the
statements you need—when you click on “Income Statement”, the
balance sheet can also be accessed. Now calculate the company’s
average collection period for 2016 and 2015, rounding up to the
nearest day. (Note the balances in...
CONSOLIDATED BALANCE SHEET (millions of dollars) 2016 2015 Assets 2016 2015 Current assets 2016 2015 Cash...
CONSOLIDATED BALANCE SHEET
(millions of dollars)
2016
2015
Assets
2016
2015
Current assets
2016
2015
Cash and cash equivalents
3,657
3,705
Notes and accounts receivable
21,394
19,875
Inventories: Crude oil, products and merchandise
10,877
12,037
Materials and supplies
4,203
4,208
Other current assets
1,285
2,798
Total current assets
41,416
42,623
Crude oil, products and merchandise inventories are carried at
the lower of current market value or cost (generally determined
under the last-in, first-out method – LIFO). Inventory costs
include...
Choice Hotels Marriott International (2016/2015)-1 (2016/2015)-1 10-K CHH 2016 10-K Report CHH 2015 10-K Report 10-K...
Choice
Hotels
Marriott
International
(2016/2015)-1
(2016/2015)-1
10-K
CHH 2016 10-K Report
CHH 2015 10-K Report
10-K USD ($) $ in Millions
MAR 2016 10-K Report
MAR 2015 10-K Report
Choice percent change from 2015 to
2016
Marriott percent change from 2015 to
2016
Account Name
2016 10-K
2015 10-K
Account Name
2016 10-K
2015 10-K
Choice
Marriott
ASSETS
ASSETS
Current assets
Current assets
Cash and cash equivalents
$
202,463.00
$
193,441.00
Cash and equivalents
$
858,000.00
$
96,000.00
Receivables (net...
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