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STATISTICS AND PROBABILITY
COLLEGE STATISTICS
SUMMARIZING QUANTITATIVE DATA
Secondary
Post Secondary
Algebra
Statistics and Probability
College Statistics
Random variables
Sampling distributions
Significance tests
Summarizing quantitative data
Analyzing categorical data
Modeling data distributions
Confidence intervals
Comparing two groups
Alternate coordinate systems
Describing quantitative data
Chi-square tests
Two-way tables
Bivariate numerical data
Study design
Scatterplots
Upper level probability
Calculus and Analysis
Advanced Math
Differential equations
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Summarizing quantitative data Answers
Summarizing quantitative data
asked 2021-03-12
Describe the summary of the perfomance of eight graders nationwide.
Summarizing quantitative data
asked 2021-03-09
To Explain:the expected the mean, median,standard deviation and IQR to change.
Summarizing quantitative data
asked 2021-03-08
Explain the effect of correcting the error has on the IQR and the standard deviation.
The professor calculated the IQR and the standard deviation of the test scores in question 6 before realizing her mistake that is she entered the top score as 46 but it was actually 56.
Summarizing quantitative data
asked 2021-03-02
Find the proportion of professional male golfers-drive on an average of 280 yards or less.
Approximately 5 percent of professional male golfers are found to be less than an average of 280 yards.
Summarizing quantitative data
asked 2021-02-25
Given that there are 32 eight-bit strings that begin 101 and 16 eight-bit strings that begin 1101, how many eight-bit strings begin either 101 or 1101?
Summarizing quantitative data
asked 2021-02-25
Explain which measure of center best describes a typical wage at this company:the mean or the median.
Summarizing quantitative data
asked 2021-02-20
What variable measures the association between two Quantitative variables (positive/negative and Strength of the relationship between them?
Summarizing quantitative data
asked 2021-02-19
You deposit money into a saving account that earns interest. The balance Bo f the account after t years is given by
\(\displaystyle{B}={1200}\cdot{1.05}^{{t}}{d}{o}{l}{l}{a}{r}{s}.\)
a. Make a table that shows the account balance for years 0 through 10.
b. You want to buy a home entertainment center that costs $1500. How long will you need to wait to have enough money in your savings account? Report your answer to the nearest whole year.
Summarizing quantitative data
asked 2021-02-12
Solve this question
\(\displaystyle\frac{{{1}-{i}}}{{{2}+{4}{i}}}\)
Summarizing quantitative data
asked 2021-02-12
The manager at Publix recently received information that customer satisfaction dropped at noon due to overcrowding in the checkout aisle. As a result, the manager went to the main floor to record the number of customers waiting in aisles 1-10 at noon.
Which of the following choices would be an accurate description of the way the "number of customers" is used in this data set?
a. individuals for the data set
b. continuous qualitative variable for this data set
c. discrete qualitative variable for this data set
d. qualitative variable for this set
e. continuous quantitative variable for this data set
f. discrete quantitative variable for this data set
Summarizing quantitative data
asked 2021-02-11
Birth Weights Are the birth weights described quantitative data or categorical data?
Summarizing quantitative data
asked 2021-02-11
(a)To find:the better job of summarizing the growth rates.
(b)To find:the measures in (d) the better job of summarizing the growth rates.
Summarizing quantitative data
asked 2021-02-10
Find the mean and median wage.
A supervisor at
\(\$1,200\)
a week, an inventory manager at
\(\$700\)
a week, six stock boys at
\(\$400\)
a week and four drivers at
\(\$500\)
are employed by a small warehouse.
Mean:
The sum of all the entries divided by the total number of entries is known mean.
Summarizing quantitative data
asked 2021-02-09
Gender is on variable of interest in a study of the effectiveness of a new medication.For data entry purposes, the researcher conducting the study assigns 1 for Male and 2 for Female. Is the gender data quantitative or qualtitative?
Summarizing quantitative data
asked 2021-02-09
To Explain:the report about all of these growth rates.
Summarizing quantitative data
asked 2021-01-31
Describe the spread in running times based on quartiles.
The data represents the average drive (in yards) for 186 professional golfers on the men’s PGA tour in 2011. The first quartile is 285.2 yards and third quartile is 297.5 yards.
Summarizing quantitative data
asked 2021-01-31
Forecasting
Forecasting is important relative to capacity requirements planning.
What are some of the merits of using judgment methods (i.e., qualitative data) in contrast to quantitative forecasting methods.
Which methods are considered to be superior or more accurate, and in what forecast situations would require judgment methods?
In what situations would require a quantitative approach to forecasting?
Summarizing quantitative data
asked 2021-01-28
Find the range and IQR of the data.
Summarizing quantitative data
asked 2021-01-19
Identify the measures of center used for the data of company and union.
The number of sick days given to per employee and for the union. Measures of center:
Summarizing quantitative data
asked 2021-01-19
Explain the variation in summary statistics by substracting the dataset into the percent value of 49.23.
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