K1. Oodles of Noodles, an artisanal noodle manufacturing company in Brooklyn, makes three kinds of handmade, organic, ethically sourced noodles; Thick, Medium and Thin. They are interested in determining which noodle people tend to prefer and which one has the best "mouth feel" as it is referred to in the food industry. They consult with you (as a statistical expert) to collect data from their consumers. You devise a pleasantness rating scale for the noodles with 1 being the most pleasant to 5 being the least pleasant (so that lower scores indicate better "mouth feel"). You randomly assign 60 individuals to one of three separate groups. Twenty individuals taste and rate the thick noodles, another twenty individuals rate the medium noodles, and another twenty individuals rate the thin noodles. The data for this question can be found in the file labeled "Noodles" on BB. (20 points) (FYI, I like thinner noodles, think Ramen or angel hair pasta, what about you?) Using SPSS: Use a One-way ANOVA to determine whether there is a difference in noodle preference. If appropriate, conduct a Tukey-HSD post-hoc test to asses where the differences are. 1. What are the mean ratings for each noodle group? (use the descriptive option in the ANOVA to get the group means). Thick- 3.20 Medium-3. 35 Thin -180 2. Conduct your hypothesis test-be sure to include, Hypothesis, Critical Values, your F statistic and your properly worded decision. 3. If you conduct post-hoc tests, please report the comparisons made for the groups and whether differences are significant. 4. The CEO of OON wants to know which noodle type is most preferred-what do you tell her? 16? F-19398
K1. Oodles of Noodles, an artisanal noodle manufacturing company in Brooklyn, makes three kinds of handmade, organic, ethically sourced noodles; Thick, Medium and Thin. They are interested in determining which noodle people tend to prefer and which one has the best "mouth feel" as it is referred to in the food industry. They consult with you (as a statistical expert) to collect data from their consumers. You devise a pleasantness rating scale for the noodles with 1 being the most pleasant to 5 being the least pleasant (so that lower scores indicate better "mouth feel"). You randomly assign 60 individuals to one of three separate groups. Twenty individuals taste and rate the thick noodles, another twenty individuals rate the medium noodles, and another twenty individuals rate the thin noodles. The data for this question can be found in the file labeled "Noodles" on BB. (20 points) (FYI, I like thinner noodles, think Ramen or angel hair pasta, what about you?) Using SPSS: Use a One-way ANOVA to determine whether there is a difference in noodle preference. If appropriate, conduct a Tukey-HSD post-hoc test to asses where the differences are. 1. What are the mean ratings for each noodle group? (use the descriptive option in the ANOVA to get the group means). Thick- 3.20 Medium-3. 35 Thin -180 2. Conduct your hypothesis test-be sure to include, Hypothesis, Critical Values, your F statistic and your properly worded decision. 3. If you conduct post-hoc tests, please report the comparisons made for the groups and whether differences are significant. 4. The CEO of OON wants to know which noodle type is most preferred-what do you tell her? 16? F-19398
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Addition Rule of Probability
It simply refers to the likelihood of an event taking place whenever the occurrence of an event is uncertain. The probability of a single event can be calculated by dividing the number of successful trials of that event by the total number of trials.
Expected Value
When a large number of trials are performed for any random variable ‘X’, the predicted result is most likely the mean of all the outcomes for the random variable and it is known as expected value also known as expectation. The expected value, also known as the expectation, is denoted by: E(X).
Probability Distributions
Understanding probability is necessary to know the probability distributions. In statistics, probability is how the uncertainty of an event is measured. This event can be anything. The most common examples include tossing a coin, rolling a die, or choosing a card. Each of these events has multiple possibilities. Every such possibility is measured with the help of probability. To be more precise, the probability is used for calculating the occurrence of events that may or may not happen. Probability does not give sure results. Unless the probability of any event is 1, the different outcomes may or may not happen in real life, regardless of how less or how more their probability is.
Basic Probability
The simple definition of probability it is a chance of the occurrence of an event. It is defined in numerical form and the probability value is between 0 to 1. The probability value 0 indicates that there is no chance of that event occurring and the probability value 1 indicates that the event will occur. Sum of the probability value must be 1. The probability value is never a negative number. If it happens, then recheck the calculation.
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Transcribed Image Text:Thickness
Pleasantn
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Transcribed Image Text:Short Answer and SPSS
K1. Oodles of Noodles, an artisanal noodle manufacturing company in Brooklyn, makes three kinds
of handmade, organic, ethically sourced noodles; Thick, Medium and Thin. They are interested
in determining which noodle people tend to prefer and which one has the best "mouth feel" as
it is referred to in the food industry. They consult with you (as a statistical expert) to collect data
from their consumers. You devise a pleasantness rating scale for the noodles with 1 being the
most pleasant to 5 being the least pleasant (so that lower scores indicate better "mouth feel").
You randomly assign 60 individuals to one of three separate groups. Twenty individuals taste
and rate the thick noodles, another twenty individuals rate the medium noodles, and another
twenty individuals rate the thin noodles. The data for this question can be found in the file
labeled "Noodles" on BB. (20 points) (FYI, I like thinner noodles, think Ramen or angel hair pasta,
what about you?)
Using SPSS:
Use a One-way ANOVA to determine whether there is a difference in noodle preference. If appropriate,
conduct a Tukey-HSD post-hoc test to asses where the differences are.
1. What are the mean ratings for each noodle group? (use the descriptive option in the ANOVA to
get the group means). Thick- 3.20 Medium-3.35 Thin -180
2. Conduct your hypothesis test- be sure to include, Hypothesis, Critical Values, your F statistic
and your properly worded decision.
3. If you conduct post-hoc tests, please report the comparisons made for the groups and whether
differences are significant.
4. The CEO of OON wants to know which noodle type is most preferred-what do you tell her?
3.163
F-19398
Sig=.000
Statistically
signfcant
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