This module provides an overview of Hypothesis Testing of Single Mean and Single Proportion as a part of Collaborative Statistics collection (col10522) by Barbara Illowsky and Susan Dean.
Rebecca and Matt are 14 year old twins. Matt’s height is 2 standard deviations below the mean for 14 year old boys’ height. Rebecca’s height is 0.10 standard deviations above the mean for 14 year old girls’ height. Interpret this.
Matt is 2.1 inches shorter than Rebecca
Rebecca is very tall compared to other 14 year old girls.
Rebecca is taller than Matt.
Matt is shorter than the average 14 year old boy.
D
Construct a histogram of the IPO data (see Table of Contents, 14. Appendix, Data Sets). Use 5 intervals.
No solution provided. There are several ways in which the histogram could be constructed.
The next three exercises refer to the following information: Ninety homeowners were asked the number of estimates they obtained before having their homes fumigated.
= the number of estimates.
Rel. Freq.
Cumulative Rel. Freq.
1
0.3
2
0.2
4
0.4
5
0.1
Complete the cumulative relative frequency column.
Calculate the sample mean (a), the sample standard deviation (b) and the percent of the estimates that fall at or below 4 (c).
2.8
1.48
90%
Calculate the median, M, the first quartile, Q1, the third quartile, Q3. Then construct a boxplot of the data.
;
;
The middle 50% of the data are between _____ and _____.
1 and 4
The next three questions refer to the following table: Seventy 5th and 6th graders were asked their favorite dinner.
Pizza
Hamburgers
Spaghetti
Fried shrimp
5th grader
15
6
9
0
6th grader
15
7
10
8
Find the probability that one randomly chosen child is in the 6th grade and prefers fried shrimp.
D
Find the probability that a child does not prefer pizza.
1
C
Find the probability a child is in the 5th grade given that the child prefers spaghetti.
A
A sample of convenience is a random sample.
true
false
B
A statistic is a number that is a property of the population.
true
false
B
You should always throw out any data that are outliers.
true
false
B
Lee bakes pies for a small restaurant in Felton, CA. She generally bakes 20 pies in a day, on the average. Of interest is the num.ber of pies she bakes each day
Define the Random Variable
.
State the distribution for
.
Find the probability that Lee bakes more than 25 pies in any given day.
0.1122
Six different brands of Italian salad dressing were randomly selected at a supermarket. The grams of fat per serving are 7, 7, 9, 6, 8, 5. Assume that the underlying distribution is normal. Calculate a 95% confidence interval for the population mean grams of fat per serving of Italian salad dressing sold in supermarkets.
CI:
Given: uniform, exponential, normal distributions. Match each to a statement below.
Communication is effective because it allows individuals to share ideas, thoughts, and information with others.
effective communication can lead to improved outcomes in various settings, including personal relationships, business environments, and educational settings. By communicating effectively, individuals can negotiate effectively, solve problems collaboratively, and work towards common goals.
it starts up serve and return practice/assessments.it helps find voice talking therapy also assessments through relaxed conversation.
miss
Every time someone flushes a toilet in the apartment building, the person begins to jumb back automatically after hearing the flush, before the water temperature changes. Identify the types of learning, if it is classical conditioning identify the NS, UCS, CS and CR. If it is operant conditioning, identify the type of consequence positive reinforcement, negative reinforcement or punishment
nature is an hereditary factor while nurture is an environmental factor which constitute an individual personality. so if an individual's parent has a deviant behavior and was also brought up in an deviant environment, observation of the behavior and the inborn trait we make the individual deviant.
Samuel
I am taking this course because I am hoping that I could somehow learn more about my chosen field of interest and due to the fact that being a PsyD really ignites my passion as an individual the more I hope to learn about developing and literally explore the complexity of my critical thinking skills
hello. autism is a umbrella term. autistic kids have different disorder overlapping. for example. a kid may show symptoms of ADHD and also learning disabilities.
before treatment please make sure the kid doesn't have physical disabilities like hearing..vision..speech problem. sometimes these
Jharna
continue..
sometimes due to these physical problems..the diagnosis may be misdiagnosed.
treatment for autism.
well it depends on the severity.
since autistic kids have problems in communicating and adopting to the environment.. it's best to expose the child in situations where the child
Jharna
child interact with other kids under doc supervision.
play therapy.
speech therapy.
Engaging in different activities that activate most parts of the brain.. like drawing..painting. matching color board game.
string and beads game.
the more you interact with the child the more effective
Jharna
results you'll get..
please consult a therapist to know what suits best on your child.
and last as a parent. I know sometimes it's overwhelming to guide a special kid.
but trust the process and be strong and patient as a parent.
Jharna
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Source:
OpenStax, Collaborative statistics (custom lecture version modified by t. short). OpenStax CNX. Jul 15, 2013 Download for free at http://cnx.org/content/col11543/1.1
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