Find each of the following percentile points under the normal curve. 1. P99 2. P32 3. P68
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Find each of the following percentile points under the normal curve.
1. P99
2. P32
3. P68
4. 40
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- Suppose that the value of a stock varies each day from $8.82 to $16.17 with a uniform distribution. Find the third quartile; 75% of all days the stock is below what value?In a public health study, a histogram was plotted showing the number of cigarettes smoked per day by each subject, as shown below. The numbers on top of each bar represent its heights. You may assume that the values are spread uniformly across each interval. What is the third quartile (or the 75 percentile) of the values? (3.5) (1.5) ( 1.5) (0.5) 10 20 40 80 Number of cigarettes between 12 and 13 cigarettes 20 cigarettes O between 36 and 37 cigarettes 60 cigarettes between 22 and 23 cigarettes 4. 3. % per cigaretteWhat proportion of a normal distribution is located between each of the following z-score boundaries? z = -0.50 and z = +0.50 z = -0.90 and z = +0.90 z = -1.50 and z = +1.50
- Which of the following is the best measure of central tendency for age? Mode:55 Median:44.5 Mean:45.49Find the 56th percentile of the standard normal distribution.Patients with two kinds of diagnoses were randomly assigned to one of three types of therapy and the effectiveness of the therapy was measure a 1-to-15 scale (with a higher number indicating greater effectiveness). There were two patients per cell. Use the data available below to comple parts (a) through (d) below. Click the icon to view the data table. Click here to view page 1 of the table of cutoff values for the F distribution. Click here to view page 2 of the table of cutoff values for the F distribution. Click here to view page 3 of the table of cutoff values for the F distribution. Click here to view page 4 of the table of cutoff values for the F distribution (a) Carry out the analysis of variance (use the 0.05 significance level). Complete the analysis of variance table for the data set below. SS MS F Source Columns Rows Interaction Within Total (Round to two decimal places as needed.) Data Table Diagnosis I Diagnosis II Therapy A 5 1 7 Print Therapy B 7 12 Done Therapy C 4282…
- Find the first and third quartile for the data shown 5.3 7.6 8.2 10.4 11.7 13 16 |27.4 | 28.3 29.6 Q13= Q3 =IV. Exercises A. Locate the following percentiles under the normal curve 1. Pas 2. P 3. Pa B. Identify the percentile with the following figure 4. 5. -1.34 1.44IIT UU I Use the following cell phone airport data speeds (Mbps) from a particular network. Find the percentile corresponding to the data speed 1.4 Mbps. 0.1 0.2 0.2 0.4 0.4 0.4 0.4 0.5 0.5 0.5 O 0.6 0.6 0.7 0.8 0.9 0.9 1.1 1.4 1.4 1.6 1.6 2.1 2.1 2.3 2.3 2.5 2.6 2.7 2.9 3.3 3.8 4.6 4.8 5.9 6.1 6.3 6.9 8.6 9.1 11.2 11.4 11.5 13.3 14.1 14.4 14.5 14.9 15.2 15.4 29.9 Percentile of 1.4 = (Round to the nearest whole number as needed.)
- When 20 people were asked to donate for charity, they donated the following amounts. [15, 49, 46, 62, 25, 24, 51, 46, 26, 48, 32, 53, 16, 22, 60, 30, 24, 55, 45, 18] a. Determine the 3rd Quartile value (Q3). c. Determine the 37th Percentile value (P37).what proportation of a normal distribution is located between each of the following z-score boundaries? a. z=-1.64 and z=+1.64 b. z=-1.96 and z=+1.96 c. z=-1.00 and z=+1.00Suppose the value of a stock varies each day from $10.82 to $23.17 with a uniform distribution. Find the third quartile, i.e. , 75% of all days the stock is below what value ?
