A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 22.0 pounds and a standard deviation of 5.4 pounds.
Step 1 of 2:
If a sampling distribution is created using samples of the
amounts of weight lost by 77 people on this diet, what would be the
mean of the sampling distribution of sample means? Round to two
decimal places, if necessary.
In: Statistics and Probability
A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 23.6 pounds and a standard deviation of 7.0 pounds. Step 1 of 2 : If a sampling distribution is created using samples of the amounts of weight lost by 61 people on this diet, what would be the mean of the sampling distribution of sample means? Round to two decimal places, if necessary.
In: Statistics and Probability
QUESTION FOUR
A. Discuss two advantages and two drawbacks of mutual funds in
Ghana 7 marks
B. The WIUC closed-end fund has GHS350 million in securities, GHS80
million in
liabilities and 20 million in shares outstanding. It trades at a
10% discount from net asset
value (NAV)
Required:
i. Calculate the net asset value of the fund 1 mark
ii. Calculate the current price of the fund 1 mark
C. Assume you purchased a low load fund at GHS10.30 with a net
asset value of GHS10.00,
Required:
i. Calculate the percentage load of the fund 2 marks
ii. Calculate the new NAV if the fund’s net asset value went up
33.72%. 2 marks
iii. Calculate the cedi profit or loss per share based on your
purchase price 2 marks
Total 15 marks
In: Accounting
Two Earth satellites, A and B, each of mass mmm = 930
kgkg , are launched into circular orbits around the Earth's center.
Satellite A orbits at an altitude of 4000 kmkm , and satellite B
orbits at an altitude of 12600 kmkm
What are the potential energies of the two satellites? (in
Jules)
What are the kinetic energies of the two
satellites? (in Jules)
How much work would it require to change the orbit of satellite A
to match that of satellite B? (in jules)
hint this is tricky problem
In: Physics
You are given the following information with respect to a bond:
par amount: 1000 / term to maturity 3 years / annual coupon rate 6% payable annually
You are also given that the one, two, and three year annual spot interest rates are 7%, 8%, and 9% respectively.
1). Calculate the value of the bond.
2). Calculate the annual effective yield rate for the bond if the bond is sold at a price equal to its value.
In: Economics
The yield to maturity (YTM) on 1-year zero-coupon bonds is 7% and the YTM on 2-year zeros is 8%. The yield to maturity on 2-year-maturity coupon bonds with coupon rates of 11% (paid annually) is 7.7%.
a. What arbitrage opportunity is available for an investment banking firm?
The arbitrage strategy is to buy zeros with face values of $____ and $____ , and respective maturities of one year and two years.
b. What is the profit on the activity?
In: Finance
(1) Identify the test
(2) Determine the obtained value (Enter the data and run the proper statistical test in SPSS)
(3) Properly write out the result given the information in the SPSS output
a) A mood inventory was given to determine if owning a pet affects mood. (α = 0.05)
Non-pet owners: 71, 68, 91, 65, 73, 81, 85
pet owners: 86, 80, 88, 74, 82, 89, 85
b) A HS teacher hoped that the implementation of study buddy program resulted in an improvement in her students test scores. (α = 0.01)
Pre-program: 59, 61, 47, 60, 35, 80
Post-program: 71, 75, 55, 62, 50, 87
c) Phizex explored the effects of two treatments for baldness to see if either drug resulted in greater hair
growth than the control group. (α = 0.05)
Drug1: 12, 16, 11, 9, 12, 15
Drug2: 10, 13, 15, 8, 11, 9
Control: 8, 7, 8, 11, 9, 7
In: Statistics and Probability
In: Statistics and Probability
For the variable continues to be assigned by gender (men and
women) it generates the
two-means hypothesis test to compare whether there is a difference
between the mean of variable X of the Woman
and the mean of variable X for Men; and the hypothesis test of two
variances
(standard deviation) to determine whether there is a difference
between the standard deviation of the
variable X for Women and the standard deviation of variable X for
Men
The claim that will use for both the mean and standard deviation
parameter is "greater than"
Use a 95% confidence level (=0.05).
Two separate columns
LEG MAN LEG WOMAN
42.5 41.6
40.2 42.8
44.4 39
42.8 40.2
40 36.2
47.3 43.2
43.4 38.7
40.1 41
42.1 43.8
36 37.3
44.2 42.3
36.7 39.1
48.4 40.3
41 48.6
39.8 33.2
45.2 43.4
40.2 41.5
46.2 40
39 38.2
44.8 38.2
40.9 38.2
43.1 41
38 38.1
41 38
46 36
41.4 32.1
42.7 31.1
40.5 39.4
44.2 40.2
41.8 39.2
47.2 39
48.2 36.6
42.9 27
42.8 38.5
40.8 39.9
42.6 37.5
44.9 39.7
41.1 39
44.5 41.6
44 33.8
In: Statistics and Probability
A stadium manager is interested in whether the fans that buy tickets are demographically the same as the general population of the city. Currently 42% are Caucasian, 35% are Hispanic, 12% are African American, 8% are Asian, and the rest are defined as other.
Is there an association between a college student’s level of drinking alcohol (classified as none, some, or considerable) and her/his residence situation (classified as living on-campus, off-campus with parents, or off-campus but not with parents)?
A researcher used data from the American Time Use Survey (ATUS) to investigate whether high school math teachers spend more time working per day than high school history teachers.
Is the percentage of all males who watch Walking Dead at COC larger than that of females?
Researchers are trying to determine if the Atkins diet was effective by measuring adult’s BMI before the diet, and then after being on the diet for 3 weeks.
For each of the following research questions match the appropriate statistical inference procedure for investigating the question. Answers may be used more than once.
Bon Air Elementary School has 1000 students. The principal of the school thinks that the average IQ of students at Bon Air is at least 110.
Answers: Chi Square Goodness of Fit (GOF) Chi-square procedures for two-way tables ANOVA procedures Two-sample t-procedures for comparing means One-sample t-procedures for a mean Two-sample z-procedures for comparing proportions One-sample z-procedures for a proportion Paired-sample t-procedures
In: Statistics and Probability