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Water Quality vs. Fish Population Sample

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Instruction manuals:•On your ain and without aid. finish this Lab 1 Answer Form electronically and subject it via the Assignments Folder by the day of the month listed on your Course Schedule ( under Syllabus ) . •To behavior your research lab exercisings. utilize the Laboratory Manual that is available in the WebTycho schoolroom ( Reserved Reading or provided by your teacher ) or at the eScience Labs Student Portal. Laboratory exercises on your Cadmium may non be updated. •Save your Lab 1 Answer Form in the undermentioned format: LastName_Lab1 ( e.

g. . Smith_Lab1 ) . •You should subject your papers in a Word ( . physician or. docx ) or Rich Text Format ( . rtf ) for best compatibility.

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Exercise 1: Datas InterpretationTable 1: Water Quality V. Fish PopulationDissolved Oxygen024681012141618Number of Fish Observed01310121315101213


1. What patterns do you detect based on the information in Table 1? The dissolved Oxygen has a changeless increasing rate of 2 ppm. While the figure of fish observed does non hold a precise form besides 10-13 were repeated twice in the whole tabular array.

2. Develop a hypothesis associating to the sum of dissolved O measured in the H2O sample and the figure of fish observed in the organic structure of H2O. If the figure of Dissolved O additions so the figure of fish ascertained additions every bit good.

3. What would your experimental attack be to prove this hypothesis? To prove the hypothesis you must first trial out the addition in figure of fish as it with the measure of the dissolved O. Besides see if the experiment is quotable and is accurate each clip the experiment is conducted. 4. What are the independent and dependent variables?

The dependant variable is the figure of fish observed. The independent variable is the dissolved O.

5. What would be your control?The control could be the H2O temperature.6. What type of graph would be appropriate for this information set? Why?

A saloon graph would be appropriate for this information set because it shows the compares the relationship between the figure of fish observed increasing or diminishing as the measure of the dissolved O invariably increases.

7. Graph the informations from Table 1: Water Quality V. Fish Population ( found at the beginning of this exercising ) . You may utilize Excel. so “Insert” the graph. or utilize another pulling plan. You may besides pull it neatly by manus and scan your drawing. If you choose this option. you must infix the scanned jpg image here.

8. Interpret the information from the graph made in Question 7.

The Bar Graph shows the relationship between the Numberss of fish observed in depending on the dissolved O. The graph besides shows a form that the figure of fish observes increases at a changeless rate at first so drops back down to 10 when the dissolved O is at 14 ppm. This might hold occurred due to some alterations in temperature or if the experiment has been compromised ensuing in a slightly inaccurate consequence.

Exercise 2: Testable Observations

Determine which of the undermentioned observations ( A-J ) could take to a testable hypothesis. For those that are testable:Write a hypothesis and void hypothesisWhat would be your experimental attack?What are the dependent and independent variables?What is your control?How will you roll up your informations?How will you show your informations ( charts. graphs. types ) ?How will you analyse your informations?






1. When a works is placed on a window sill. it grows three inches faster per twenty-four hours than when it is placed on a java tabular array in the center of the life room. Testable Hypothesis: If the workss are placed on a window sill. so it will turn three inches faster than when it is placed on a java tabular array in the center of the life room. Null hypothesis: If the workss are placed on a window sill. so it will turn at the same rate as when it is placed on a java tabular array in the center of the life room. Experimental Approach: Topographic point the works by the window sill and trial to see if in fact the works grows faster per twenty-four hours than the 1 placed on a java tabular array in the center of the life room. This experiment must be repeated to turn out or confute the hypothesis. Dependent and independent variables: The dependant variable is the works placed on the window sill. The independent variable is the inches that the works grows per twenty-four hours. Control: the control could be the plant’s Sun exposure.

Collect: To roll up informations. one must detect the plant’s growing per twenty-four hours and record it consequently for future mention. Present: to show the information. a line graph must be made to demo the dependence of the growing of the works in correlativity to the works. Analyze: analyze whether the informations collected proves or disproves the hypothesis

2. The Teller at the bank with brown hair and brown eyes and is taller than the other Tellers. Not testable because there is non adequate information.

3. When Sally eats healthy nutrients and exercises on a regular basis. her blood force per unit area is 10 points lower than when she does non exert and eats unhealthy nutrients. Testable4. Hypothesis: If Sally eats healthy nutrients and exercises on a regular basis. so her blood force per unit area is 10 points lower when she does non exert and eats unhealthy nutrients.

Null Hypothesis: If Sally eats healthy nutrients and exercises on a regular basis. so her blood force per unit area would stay the same as when she does non exert and eats unhealthy nutrients. Experimental attack: To find if Sally’s nutrient consumption and exercising or deficiency thereof affects her blood force per unit area. so her blood force per unit area must be taken both when she eats healthy and exercisings and when she doesn’t. This is to happen out if there is a important difference in her blood force per unit area or if it is the same at both times. Dependent and independent variables: the dependant variable is her blood force per unit area. The independent variable would be Sally’s nutrient consumption and whether or non she exercises. Control: the control could be her alterations in eating wonts or the sum of clip she exercises. Roll up: To roll up the information. she must compose down the nutrients that she eats and the sum of exercisings she performs.

She must make this all the same to be able to find if the information is accurate and precise. Present: To show the information. a saloon graph must be used to demo the comparing between when she eats healthy nutrients and exercise on a regular basis and for when she doesn’t eat healthy nutrient and exercising. Analyze: If the hypothesis is proven to be true. so it means that her blood force per unit area has something to make with her eating wonts and life style.

5. The Italian eating house across the street stopping points at 9 autopsy but the one two blocks off closes at 10 autopsy.Not testable because a hypothesis can non be formed with this information.

6. For the past two yearss the clouds have come out at 3 autopsy and it has started raining at 3:15 autopsy. Not testable because a hypothesis can non be formed.

7. George did non kip at all the dark following the start of daylight nest eggs. Not testable because of deficient information.Exercise 3: ConversionFor each of the followers. change over each value into the designated units.1. 46. 756. 790 mg = 46 kilogram2. 5. 6 hours = 20160 seconds3. 13. 5 centimeter = 5. 3150 inches4. 47 °C = 116. 6 °F





Exercise 4: Accuracy and Preciseness1. During gym category. four pupils decided to see if they could crush the norm of 45 sit-ups in a minute. The first pupil did 64 sit-ups. the 2nd did 69. the 3rd did 65. and the 4th did 67. 2. The mean mark for the 5th class math trial is 89. 5. The top fourth graders took the trial and scored 89. 93. 91 and 87. The information is precise. 2. Yesterday the temperature was 89 °F. tomorrow it’s supposed to be 88°F and the following twenty-four hours it’s supposed to be 90°F. even though the norm for September is merely 75°F grades! The information is precise.

3. Four friends decided to travel out and play quoitss. They took a image of their consequences shown to the right:

The information is both accurate and precise.

4. A local food market shop was keeping a competition to see who could most closely think the figure of pennies that they had inside a big jar. The first six people guessed the Numberss 735. 209. 390. 300. 1005 and 689. The food market clerk said the jar really contains 568 pennies. The information is neither precise nor accurate.

Exercise 5: Significant Digits and Scientific NotationPart 1: Determine the figure of important figures in each figure and compose out the specific important figures.1. 405000- there are 3 important figures ( 405 )2. 0. 0098- there are 2 important figures ( 98 )3. 39. 999999- there are 8 important figures ( 39. 999999 )4. 13. 00- there are 4 important figures ( 13. 00 )5. 80. 000. 089- there are 8 important figures ( 80. 000. 089 )6. 55. 430. 00- there are 7 important figures ( 55. 430. 00 )7. 0. 000033- there are 2 important figures ( 33 )8. 620. 03080- there are 7 important figures ( 620. 0308 )








Part 2: Write the Numberss below in scientific notation. integrating what you know about important figures.1. 70. 000. 000. 000= . 7 ten 10112. 0. 000000048= 4. 8 ten 10-83. 67. 890. 000= 678. 9 ten 1054. 70. 500= 70. 5 ten 1035. 450. 900. 800= 450. 900. 8 ten 1036. 0. 009045= 9. 045 ten 10-37. 0. 023= 2. 3 ten 10-2






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Water Quality vs. Fish Population Sample. (2017, Jul 22). Retrieved from https://graduateway.com/water-quality-vs-fish-population-essay-sample-1615/

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