/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 58 Python eggs. How is the hatching... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

Python eggs. How is the hatching of water python eggs influenced by the temperature of the snake's nest? Researchers placed 104 newly laid eggs in a hot environment, 56 in a neutral environment, and 27 in a cold environment. Hot duplicates the warmth provided by the mother python. Neutral and cold are cooler, as when the mother is absent. The results: 75 of the hot eggs hatched, along with 38 of the neutral eggs and 16 of the cold eggs. 26 (a) Make a two-way table of "environment temperature" against "hatched or not." (b) The researchers anticipated that eggs would hatch less well at cooler temperatures. Do the data support that anticipation?

Short Answer

Expert verified
The data supports the anticipation; hatching decreases as the environment gets cooler.

Step by step solution

01

Organize Data into Categories

First, describe the categories we'll be working with. The environments are categorized as 'Hot,' 'Neutral,' and 'Cold,' with outcomes 'Hatched' and 'Not Hatched.' For each environment, list total eggs, hatched eggs, and calculate non-hatched eggs by subtracting the hatched eggs from total eggs.
02

Construct Two-Way Table

Create a table with rows representing 'Environment (Hot, Neutral, Cold)' and columns for 'Hatched' and 'Not Hatched.' Fill in each row with the corresponding number of hatched and non-hatched eggs calculated from Step 1.
03

Calculate Not Hatched Eggs

Subtract hatched eggs from total eggs for each environment: Hot: 104 - 75 = 29; Neutral: 56 - 38 = 18; Cold: 27 - 16 = 11. Check results to ensure accuracy.
04

Fill Two-Way Table with Numbers

Insert values into the table from each environment. The table will have: - Hot: Hatched = 75, Not Hatched = 29 - Neutral: Hatched = 38, Not Hatched = 18 - Cold: Hatched = 16, Not Hatched = 11
05

Analyze Data by Environment

For each environment, calculate the hatching rate as a percentage (Hatched/Total * 100). Calculate: Hot: (75/104 * 100), Neutral: (38/56 * 100), Cold: (16/27 * 100) to visualize environment effect on hatching rates.
06

Compare Hatching Rates

Compare hatching rates for each environment: Hot = 72.12%, Neutral = 67.86%, Cold = 59.26%. Note the decreasing trend in hatching rates from hot to cold environments.
07

Interpret Results

Conclude that the data supports the researchers' anticipation: eggs hatch less well in colder environments, as indicated by the declining hatching rate from hot to cold.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Environmental Impact on Hatching
The environment in which an egg is incubated can play a crucial role in determining the success of its hatching. For water python eggs, temperature is a significant factor that influences this outcome. Researchers were curious to explore how different temperature settings in a nest—categorized as hot, neutral, and cold—could impact eggs' ability to hatch. In this context: - **Hot**: Mimics the warmth provided by the mother python, ensuring optimal development conditions for the eggs. - **Neutral**: Provides a moderately cooler atmosphere, representing conditions where the mother python may not be present. - **Cold**: Specifies an even lower temperature, simulating prolonged absence or suboptimal nesting locations. When analyzing how these temperatures affect hatching, it's apparent that warmer conditions provide a more favorable environment, as observed through increased hatching rates. This supports the hypothesis that colder conditions inhibit the hatching process.
Statistical Analysis
Statistical analysis allows us to make sense out of raw data by identifying patterns and drawing conclusions. In this exercise, statistical analysis helps determine how temperature affects the hatching success of water python eggs. The process involves comparing the number of eggs hatched across different environmental conditions. This comparison helps to highlight any significant differences. Analyzing this kind of data requires: - Calculating hatching rates across environmental conditions. - Observing trends that emerge from these rates. By examining these values, researchers can validate their hypothesis and see if the cooler climates indeed result in lower hatchability rates. Here, the trend of decreasing hatching rates as temperatures decrease supports the expectation. Thus, statistical analysis confirms the negative impact of colder environments on the hatching success of the eggs.
Data Organization
Organizing data into a meaningful structure is essential for effective analysis and interpretation. In this exercise, the data concerning hatching rates and temperature environments needs to be efficiently structured to yield valuable insights. The first step is categorizing the data based on the environmental conditions: hot, neutral, and cold. Data must then be segmented into subsets like hatched and not hatched eggs for each temperature setting. Following this, correct computation of the unhatched egg count involves subtracting hatched numbers from total eggs within each environment category. Structuring data in this manner: - Facilitates the creation of a two-way table - Helps to visualize relationships - Aids in identifying patterns and facilitating statistical analysis. Data organization like this not only aids in effective analysis but also makes complex datasets easier to comprehend.
Hatching Rates Calculation
Calculating hatching rates is a simple yet effective technique to quantify and compare the success of hatching across different conditions. By converting raw data into percentages, researchers can easily evaluate the performance of each environment on the hatching rates of water python eggs.To calculate the hatching rate for each environmental condition:1. Divide the number of hatched eggs by the total number of eggs.2. Multiply the result by 100 to convert it into a percentage.For example:- Hot environment: \[( rac{75}{104}) imes 100 = 72.12\]%- Neutral environment: \[( rac{38}{56}) imes 100 = 67.86\]%- Cold environment: \[( rac{16}{27}) imes 100 = 59.26\]%These calculations provide a clear comparison of the hatching success across different temperatures. By observing these rates, we see a marked decrease in hatchability as conditions move from hot to colder temperatures, reaffirming the adverse effect of cooler environments on egg development.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

The heights of male five-year-olds have a Normal distribution with a mean of \(44.8\) inches and a standard deviation of \(2.1\) inches. \({ }^{6}\) (a) What percent of male five-year-olds have heights between 40 and 50 inches? (b) What range of heights covers the central \(95 \%\) of this distribution? (c) You are informed by your doctor that your five-year-old boy's height is at the 70th percentile of heights? How tall is your child?

The equation of the least-squares regression line for predicting points earned from spending is $$ \text { points }=33.7+0.85 \times \text { spending } $$ Use the regression equation to predict the points earned if a team spent 60 million dollars. (a) \(51.0\) (b) \(78.0\) (c) \(84.7\) (d) \(93.7\)

Automated manufacturing operations are quite precise but still vary, often with distributions that are close to Normal. The width in inches of slots cut by a milling machine follows approximately the \(N(0.8750,0.0012)\) distribution. The specifications allow slot widths between \(0.8725\) and \(0.8775\) inch. What proportion of slots do not meet these specifications?

A reporter wishes to portray baseball players as overpaid. Which measure of center should he report as the average salary of major league players? (a) The mean (b) The median (c) Either the mean or the median. It doesn't matter since they will be equal. (d) Neither the mean nor the median. Both will be much lower than the actual average salary.

Resting pulse rates for healthy adults are found to have approximately a Normal distribution with a mean of 69 beats per minute and a standard deviation of \(8.5\) beats per minutes. (a) What percent of healthy adults have resting pulse rates that are below 50 beats per minute? (b) What percent of healthy adults have resting pulse rates that exceed 85 beats per minute? (c) Between what two values do the central \(80 \%\) of all resting pulse rates lie?

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.