Question
In: Statistics and Probability
Refer to the frequency distribution in the given exercise and find the standard deviation1) Blood Platelet...
Refer to the frequency distribution in the given exercise and find the standard deviation1) Blood Platelet Count of Females Frequency
100 - 199, 25
200 - 299, 92
300 - 399, 28
400 - 4990 0
500 - 599, 2
Solutions
orchestra answered 2 years agoRelated Solutions
Identify the lower class limits, upper class limits, Blood Platelet Count of class width, class midpoints, and class boundaries for the given frequency distribution
Identify the lower class limits, upper class limits, Blood Platelet Count of class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summaryIdentify the lower class limits.Identify the upper class limits.Identify the class width. Identify the class midpoints.Identify the class boundaries.Identify the number of individuals included in the summary.
1. Find the standard deviation, s, of sample data summarized in the frequency distribution table given...
1. Find the standard deviation, s, of sample data
summarized in the frequency distribution table given below by using
the formula below, where x represents the class midpoint, f
represents the class frequency, and n represents the total number
of sample values. Also, compare the computed standard deviation to
the standard deviation obtained from the original list of data
values 9.0
s=∑f•x2−∑(f•x)2n(n−1)
Interval
30-36
37-43
44-50
51-57
58-64
65-71
Frequency
2
17
39
19
10
1
Standard deviation = ?...
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a bell-shaped
distribution with a mean of 257.62 and a standard deviation of 62.1
(All units are 1000 cells/muμ L.)
Using the empirical rule, find each approximate percentage
below.
What
is the approximate percentage of women with platelet counts within
1 standard deviation of the mean, or between 195.5 and 319.7 ?
What
is the approximate percentage of women with platelet counts between
71.3 and 443.9 ?
a. Approximately 68...
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of 249.9 and a standard
deviation of 63.8. (All units are 1000 cells/muL.) Using the
empirical rule, find each approximate percentage below.
a. What is the approximate percentage of women with platelet
counts within 2 standard deviations of the mean, or between 122.3
and 377.5?
b. What is the approximate percentage of women with platelet
counts between 58.5 and 441.3?
a. Approximately ____% of...
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of 246.3 and a standard
deviation of 60.3. (All units are 1000 cells/muL.) Using the
empirical rule, find each approximate percentage below. a. What is
the approximate percentage of women with platelet counts within 3
standard deviations of the mean, or between 65.4 and 427.2? b.
What is the approximate percentage of women with platelet counts
between 125.7 and 366.9?
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of
246.8246.8
and a standard deviation of
64.864.8.
(All units are 1000
cells/muμL.)
Using the empirical rule, find each approximate percentage
below.
a.
What is the approximate percentage of women with platelet
counts within
11
standard
deviationdeviation
of the mean, or between
182.0182.0
and
311.6311.6?
b.
What is the approximate percentage of women with platelet
counts between
117.2117.2
and
376.4376.4?
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of
260.9260.9
and a standard deviation of
65.465.4.
(All units are 1000
cells/muμL.)
Using the empirical rule, find each approximate percentage
below.
a.
What is the approximate percentage of women with platelet
counts within
33
standard
deviationsdeviations
of the mean, or between
64.764.7
and
457.1457.1?
b.
What is the approximate percentage of women with platelet
counts between
130.1130.1
and
391.7391.7?
3-The blood platelet counts of a group of women have a uniform distribution with a mean...
3-The blood platelet counts of a group of women have a uniform
distribution with a mean of 362 and a standard deviation of 14.6.
What is the approximate percentage of women with platelet counts
within two standard deviations of the mean?
4-A department store, on average, has daily sales of $145.87.
The standard deviation of sales is $14.04. On Tuesday, the store
sold $184.41 worth of goods. Find Tuesday's z score.
6-Use the given sample data to find Q3.
50,...
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of 264.8 and a standard
deviation of 60.4. (All units are 1000 cells/muL.) Using the
empirical rule, find each approximate percentage below. a. What is
the approximate percentage of women with platelet counts within 3
standard deviations of the mean, or between 83.6 and 446.0? b.
What is the approximate percentage of women with platelet counts
between 144.0 and 385.6? a. Approximately nothing% of...
The blood platelet counts of a group of women have a bell-shaped distribution with a mean...
The blood platelet counts of a group of women have a
bell-shaped distribution with a mean of 259.5 and a standard
deviation of 66.4. (All units are 1000 cells/muL.) Using the
empirical rule, find each approximate percentage below.
a.
What is the approximate percentage of women with platelet counts
within 3 standard deviations of the mean, or between 60.3 and
458.7?
b.
What is the approximate percentage of women with platelet counts
between 126.7 and 392.3?
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