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MrRissso [65]
3 years ago
6

Consider the experiments. Experiment 1: A study is done to determine which of two fuel mixtures allows a rocket to travel farthe

r over a period of time. Rocket A, which requires additional equipment to keep it stable, is used to test one fuel mixture, and rocket B is used to test the other. Both rockets are identical aside from their mass. The results indicate that rocket B traveled farther than rocket A over the same period of time. Experiment 2: A double-blind experiment is performed to test whether a new drug is effective in lowering blood pressure. A random sample of subjects with high blood pressure is assigned to two groups. One group receives the new drug and the other group does not. Neither group is permitted to take any other medications during the experiment or to change their lifestyles in any way. The results of the experiment show that the drug is effective in lowering blood pressure.
Identify the experiment in which confounding occurs and the reason for its occurrence.

a. Neither experiment has a confounding variable.
b. Experiment 1 has a confounding variable related to the fuel mixtures. Varying the fuel mixture could skew the results of the study and should be kept constant.
c. Experiment 2 has a confounding variable related to the type of experiment. A double-blind experiment may increase the risk of the placebo effect and possibly skew the results.
d. Experiment 1 has a confounding variable related to the mass of the rockets. Any variation in mass may cause a discrepancy in the distance traveled.
e. Experiment 2 has a confounding variable related to the subjects used. Choosing a sample of subjects with high blood pressure instead of individuals with different blood pressure levels may confuse the results.
Business
1 answer:
tatuchka [14]3 years ago
8 0

Answer:

d. Experiment 1 has a confounding variable related to the mass of the rockets. Any variation in mass may cause a discrepancy in the distance traveled.

Explanation:

Both experiments have confounding variables.  But the reasons given for the occurrence of the confounder in experiment 2 do not justify (c) and (e) as correct answers.  By definition, confounders are factors other than the independent variable that cause differences in outcome.  For experiment 1, the different masses of the two rockets affect the independent variable (fuel mixture) being studied, and actually cause the discrepancy in the distance traveled as indicated in answer (d).  Other examples of confounders are placebo, weather, age, and experimenter bias which a double-blind can eliminate.

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______ is a tool that reminds managers to look at several distinct categories in the macro environment.
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Pestel  is a tool that reminds managers to look at several distinct categories in the macro environment.

<h3>What is the macro environment?</h3>

This is the term that is used to refer to the environment that is made up of the major forces that are both external and also uncontrollable that is used to influence the decision making process of a firm.

The macro environment is made up of such factors such as demographics, economy, technology, political and a lot more of other factors. They are used to control the decision making process in the nation. It is also referred to as the environment at large

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5 0
1 year ago
To find out more about the pros and cons of a product, it is often a good idea to study the behavior of the individuals or group
Natalija [7]

Answer:

Copy Testing

Explanation:

Copy testing is a market research analysis method that utilizes the consumers' responses , behavior and feedback to determine the effectiveness and relevance  of an advertisement.

This method reveals a great deal of information about the pros and cons of a particular product through the analysis and study of individuals or group of users.

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5 0
3 years ago
Haver Company currently produces component RX5 for its sole product. The current cost per unit to manufacture the required 68,00
Genrish500 [490]

Answer:

1.Total cost of making = $1,632,000.

2) Incremental cost of buying $<em>204,000 </em>

3.)The company should make the product as it will save $204,000 by doing so

Explanation:

1) Total cost of making = unit cost× units required cost

Total cost of making =  24.00 × 68,000= 1,632,000.0

2) Total incremental cost of buying

<em>Relevant cost of making</em>

Unit variable cost= (5.00 + 9.00+ (30%× 10)=17

Total variable cost of making = 17  ×68,000 =               1,156,000

<em>Relevant cost of buying        </em>68,000× 20   =                <u> 1,360,000 </u>

Incremental cost of buying                                             <u><em>204,000 </em></u>

<u><em></em></u>

3) Haver should make the product as it will save $204,000 by doing so

       

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3 years ago
when should you use a formal writing style for your report? when the report addresses familiar, noncontroversial topics when the
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When the report needs to project objectivity and authority.

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6 0
1 year ago
The weekly profit of a company is modeled by the function w = –g2 + 120g – 28. The weekly profit, w, is dependent on the number
FromTheMoon [43]

Answer:

120 gizmos.

Explanation:

We have been given that the weekly profit of a company is modeled by the function w =-g^2+120g-28. The weekly profit, w, is dependent on the number of gizmos, g, sold. The break-even point is when  w=0.

To find the number of gizmos the company must sell each week in order to break even, we will substitute w=0 in profit function as:

0 =-g^2+120g-28

-g^2+120g-28=0

Now, we will use quadratic formula to solve for g.

g=\frac{-120\pm\sqrt{120^2-4(-1)(-28)}}{2(-1)}

g=\frac{-120\pm\sqrt{14400-112}}{-2}

g=\frac{-120\pm\sqrt{14288}}{-2}

g=\frac{-120\pm 119.53242237987}{-2}

g=\frac{-120-119.53242237987}{-2}\text{ or }g=\frac{-120+119.53242237987}{-2}

g=\frac{-239.53242237987}{-2}\text{ or }g=\frac{-0.46757762013}{-2}

g=119.76621118\text{ or }g=0.2337888

g\approx 120\text{ or }g\approx 0.23

We will take the larger value for the number of gizmos.

Therefore, the company must sell 120 gizmos each week in order to break even.

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3 years ago
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