# Are any of the fish length measurements the same as the mean?

The purpose of this lab is to become familiar with key terms and calculations used in conducting ecological experiments. Use excel please. Lab #1 – The Nature of Data Key Terms: Population – Sample – Variable – Statistic – Data set – Measures of central tendency: Mean – Mode – Median – Variation: Range – Variance – Standard deviation – Exercise #1 – Variation in a data set Table 1. Lengths of fishes caught. 78 69 63 75 69 52 54 40 9 64 65 63 62 69 52 60 67 72 73 27 Exam the data in Table 1 2. These data represent measurements of lengths of fish of 20 fish randomly caught and measured. Notice that all fishes are not the same length 3. Rearrange the data from lowest to highest value Questions

1. Do the fish lengths shown in table 1 appear to be simply random numbers? If not what pattern or tendency do you detect?

2. What factors might cause variation in fish length for a fish species?

3. How would you sample fish to test one of those influences on total length? Calculate and record the mean. Mean _____

4. Are any of the fish length measurements the same as the mean? 5. How many fish were longer than the mean? 6. How many fish were shorter than the mean? 7. Does the mean always describe the “typical measurement? Why or why not Calculate and record the median and the mode. Median______ Mode______ 8. In the sample, the mean differs from the median. What is responsible for this difference between the mean and the median? 9. How would the mean change without the 9 cm measurement? 10. How would the median change without the 9 cm fish measurement? 11. How would the mode change without the 9 cm fish measurement?

#fish #length #measurements

Pages (275 words)
Standard price: \$0.00

### Latest Reviews

Impressed with the sample above? Wait there is more

Related Questions

### Strategy to deploy new innovations in both a local and global context

Write a report in which you outline your strategy to deploy new innovations in both a local and global context. Be sure to include the

### Netflix Marketing Plan

A description of your selected company/brand The core products/services they offer A brief history Key current competitors A SWOT (strengths, weaknesses, threats & opportunities) analysis

### Developing a Case Study

Case Scenario Guidelines Select an actual event from your prior professional experience in which you or the organization(s) with which you work developed, enacted, implemented,

### Go to a local library collect a sample of books consisting of the ages of book based on copyright dates.

Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Plan and describe the sampling

### For this assignment, select a peer-reviewed journal article relating to

For this assignment, select a peer-reviewed journal article relating to an area of problem solving, decision making, or an intelligence theory that was discussed in

### Health Care: Ten year old Hispanic girl who weighs 150 pounds

Address the Importance of Physical Assessment • Apply evidence-based practice research findings in the management of a health issue. • Discuss how age, gender, and

### The second part of your Board Brief picks up where the last one left off. Having accurately framed the core

The second part of your Board Brief picks up where the last one left off. Having accurately framed the core problem/opportunity in Assignment 1, you

### 1. The local community hospital routinely practices activation of its

1. The local community hospital routinely practices activation of its Emergency Preparedness Plans. One key aspect of the emergency preparedness exercise is to provide all

### Entrepreneurial project

In your groups you will then have to plan and execute an ‘entrepreneurial project’. The nature of the project is your choice but your aim

### 1850 words with 11 sources Choose a celebrity who makes significant use of social media. Do a denotative and

1850 words with 11 sources Choose a celebrity who makes significant use of social media. Do a denotative and connotative analysis of their identity creation

### I. Classify the firm into one of the four basic

I. Classify the firm into one of the four basic market models      A. Select a company from a current business periodical or where

### The purpose of this assignment is to demonstrate leadership within

The purpose of this assignment is to demonstrate leadership within the professional learning process by creating systems to ensure sharing, collaboration, and reflective feedback.

New questions