\begin{tabular}{|c|c|c|c|c|c|} \hline \multicolumn{2}{|l|}{\( \mathbf{w} \)} & & & & Cumulative \\ \hline & & Frequency & Percent & Valid Percent & Percent \\ \hline Valid & 1.00 & 3 & 6.7 & 6.7 & 6.7 \\ \hline & 2.00 & 5 & |11.1 & | 11.1 & 17.8 \\ \hline & 3.00 & 14 & |31.1 & |31.1 & 48.9 \\ \hline & 4.00 & 13 & | 28.9 & | 28.9 & |77.8 \\ \hline & 5.00 & 9 & | 20.0 & | 20.0 & 97.8 \\ \hline & 6.00 & 1 & |2.2 & | 2.2 & 100.0 \\ \hline & Total & 45 & 100.0 & 100.0 & \\ \hline \end{tabular} Now answer the following : 1)The variable name is \( \qquad \) 2) The number of patients with hemoglobin level between \( (16-16.9) \) is 3) The number of patients with hemoglobin level less than 15 is 4) The number patients with hemoglobin level more than or equal 17 is 5)The relative frequency of patients with hemoglobin level from 13 to 14.9 6) The percentage of patients with hemoglobin level from 15 to 16.9 is
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- The variable name is represented by \( \mathbf{w} \) in the table. However, the specific meaning of \( \mathbf{w} \) is not provided in the question. It could represent a measurement like hemoglobin level based on the context of the question. Show more…
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The haemoglobin levels in the blood of 45 hospital patients were measured. The results, correct to 1 decimal place, and ordered for convenience, are as follows. 9.1 10.1 10.7 10.7 10.9 11.3 11.3 11.4 11.4 11.4 11.6 11.8 12.0 12.1 12.3 12.4 12.7 12.9 13.1 13.2 13.4 13.5 13.5 13.6 13.7 13.8 13.8 14.0 14.2 14.2 14.2 14.6 14.6 14.8 14.8 15.0 15.0 15.0 15.1 15.4 15.6 15.7 16.2 16.3 16.9 (a) Form a grouped frequency table with eight classes. (b) Draw a histogram of the data.
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Hemoglobin in Women Hemoglobin levels in adult females are normally distributed with a mean of 13.0 g/dL and a standard deviation of 1.3 g/dL (based on data from the National Health and Nutrition Examination Survey). The normal hemoglobin range for women is 12.1 g/dL to 15.1 g/dL. What percentage of women have hemoglobin levels in the normal range? If we randomly collect samples of women with 9 in each sample, what percentage of those samples have a mean hemoglobin level that is within the normal range?
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Hemoglobin levels ~ According to the Mayo Clinic's website, a hemoglobin test measures the amount of hemoglobin in your blood. Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs. A health researcher wonders whether hemoglobin levels are different for men and women. The researcher takes a random sample of 53 men and 50 women and records the hemoglobin level for each person. The results are summarized in the table below: Sex Mean hemoglobin level SD of hemoglobin level Population 1: Men 13.6 3 Population 2: Women 12.7 2 1. Express the research question in terms of two competing hypotheses using appropriate notation. A. H0 : μ1 = μ2 vs. Ha : μ1 ≠ μ2 B. H0 : μ1 = μ2 vs. Ha : μ1 < μ2 C. H0 : μ1 = μ2 vs. Ha : μ1 > μ2 2. Which conditions must hold for inferential procedures to be valid for this scenario? Select all that apply. A. The two sample groups must be independent of each other. B. The histogram of the residuals must be normally distributed. C. The data distribution for both men's and women's hemoglobin levels must be normally distributed or each sample size must be larger than 30. D. The expected count for each level of the categorical variable must be at least 5. E. The observations within each sample must be independent. 3. Calculate the appropriate test statistic. 4. Calculate the p-value using 91.083462 degrees of freedom. p-value = 5. Based on the p-value, we have evidence against the null hypothesis. 6. Use the data to construct a 90% confidence interval for the true difference in hemoglobin level between men and women, μ1 – μ2.
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