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A member of the park service believes the average number of cacti per square km in tucson, az in the year 2001 is less than the

tia_tia [17]

Question Continuation

a. What is a subject in this study?

b. What is the explanatory variable and what type of variable is it?

c. Which type of test is most appropriate?

Answer:

See Explanation Below

Explanation:

a.

In research, a subject can be referred to as a person, place, thing, or phenomenon that is being measured of observed. In the question above, the observation is focused on the area of cacti/km² plot of land near Tucson, AZ; hence, it'll be taken as the research subject.

b. Explanatory variables are those variables that are not totally independent and are used to predict or explain differences in the response variable.

Having pointed what an explanatory variable is, we'll list the explanatory variable(s) in the question, using the definition above.

1. Year;

The question compares the growth of cacti per km² in 1970 and 2001. The differences in the growth are then measured in order to determine if there's indeed a growth or a decline in growth of cacti.

Hence, year is an explanatory variable and it's numerical

2. Using the same yardstick, another explanatory variable in the question above is the average number of cacti per km².

It is considered an explanatory variable because it represent the numerical value of cacti present in a km² area.

It is also numerical

c.

The most appropriate type of test in this kind of observation is the independent sample t test.

An Independent Samples t Test takes into consideration the means or averages of two independent groups and then make makes comparison between them in order to determine whether there is statistical evidence that the associated population means are significantly different.

The question compares the average of cactus in 1970 and 2001.

The keyword here is average and that is what is being described by the independent sample t test. I.e. the average of cactus per km² in both years.

5 0

3 years ago

Calculate the amount of depreciation to report during the year ended December 31, 2013, for equipment that was purchased at a co

alukav5142 [94]

Answer:

1) Straightline $ 2000

2) Double-Declining-Balance $ 4000

3) Units of Production $ 2000

Explanation:

Cost of equipment $43,000

Residual value of equipment $3,000

Useful life of equipment 5 years

Formula:

1) Straight Line Method Depreciation = Cost - Salvage Value/ Useful Life

Straight Line Method Depreciation = $43,000 -$3,000/5=$ 8000

The amount of depreciation using Straight Line Method Depreciation for the year ended December 31, 2013, is

($ 8000/12)*3= $ 2000

The straight Line depreciation expense for 3 months is $ 2000

2) Straight Line Rate= 100%

Useful Life= 100%/5 = 20%

Double Declining Method = 2 * Straight Line Rate

Double Declining Method = 2 * Straight Line Rate= 2*20%= 40%

Year Book Value Dep Dep Accu. Book

Rate Expense Dep. Value

1 40,000 40 16000 16000 24000

Depreciation Expense for the whole year would be $ 16000.

Depreciation expense using double declining method for 3 months would be = ($ 16000/12 )*3= $ 4000

3) Depreciation per unit= (Cost -Salvage value) / Total units of production

Depreciation per unit= $43,000 -$3,000/20,000=40,000/20,000=2

Depreciation Expense = Depreciation per unit * No of Units Produced

Depreciation Expense = 2*1000= $ 2000

Depreciation Expense using Units of Production method would be $ 2000 for 3 months. i.e on 31st Oct 2013

3 0

3 years ago

Costs of Acquiring Fixed Assets

Zepler [3.9K]

Answer:

The answer is given below:

Explanation:

a.

1.Yes

2.Yes

3.Yes

4.Yes

5.Yes

6. Yes

b.

7.No

8.Yes

9.Yes

10.No

11.No

12.No

As a rule of thumb,those costs which increase the value or useful life of asset should be capitalized where as those costs that are incurred to maintain the usage of asset are revenue expenditure and should be charged to income statement not the asset.

8 0

3 years ago

Read 2 more answers

ncreased government spending spurs a short-run expansion. Over time, aggregate supply eventually __________, returning the econo

Natasha2012 [34]

If increased government spending spurs a short-run expansion. The statement that complete the gap is:<u> Shifts to the left</u>, <u>Output endresources.</u>

<h3>What is aggregate supply?</h3>

Aggregate supply can be defined as the overall amount of goods and service that a firm intend to produce and supply at a point in time or at a particular period of time.

If an increase in government spending lead to short run expansion this means that there will be shift in aggregate supply of goods and service as aggregate supply will tend to shift to the left.

Therefore the statement that complete the gap is:<u> Shifts to the left</u>, <u>Output endresources.</u>

Learn more about aggregate supply here:brainly.com/question/19802257

#SPJ1

7 0

2 years ago

What type of control focuses on measuring a company’s products territories, customer groups, segments, trade channels, and order

alex41 [277]

Your answer is Profitablity

4 0

3 years ago