A data set contains the observations 7, 4, 2, 3, 1. Findx J2.
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- List an advatge of microdata, and of aggregated data Answer in a few sentences thank you.Which of the following sets of data represent valid functions? OR = {(– 5,0), (2, 3), (6, 4), (8, 9), (15, 14)} OG = {(– 5, – 3), (2, 1), (2, 4), (8, 7), (15, 13)} OS = {(– 5, – 4), (2, 3), (6, 5), (7, 9), (11, 16)} OF = {(– 4, – 1), (3, 2), (5, 4), ( – 4, – 1), (10, 15)} - - Question Help: DVideoThe mode of the data 26, 24, 30, 26, 36, 33, 26 is 30 24 36 33 26
- 2. Find the least linear fit to the following data: * * 2 3 2 -3 -3 -1 55Compute E ry² for the following data. (52, 11), (43, 16), (48, 25), (46, -3), (54, 25), (35, -6), (39, 14), (52, 28), (36, 7), (41 22), (48, 15), (52,18), (44, 25) Type your answer.X, absences Y, final grade 4. The data below are the number of absences, x, and the final grades, y, of 9 randomly selected students from a MTH 119 class. Construct a scatterplot of the data. 0 99 4 58 7 51 5 82 9 71 geyerinstructional.com 3 92 16 55 1 5 76 5 82
- .The two data sets below represent the high temperatures in two citieseach day for 5 days.City A: 18°F, 44°F, 52°F, 55°F, 58°F, 56°FCity B: 15°F, 41°F, 63°F, 61°F, 57°F, 60°F Which statementbestdescribes the measure of center that provides themost accurate estimation of the high temperature in a day in each city? A.mean, because there is an even number of values in each data set B.median, because there is an even number of values in each data set C.mean, because there is one value in each data set that is significantlylower than the other values D.median, because there is one value in each data set that issignificantly lower than the other valuesPlease anwser using SPSS!This dataset of size n - 51 is for the 50 states and the District of Columbia in the United States. The variables are - year 2002 birth rate per 1000 females 15 to 17 years old and z- poverty rate (the percent of the state's population living in households with in- comes below the federally defined poverty level) i- 13.1 - 22.3 R- 51, Su - E(-2) - 914.7 S, - E( -2)( - 6) - 1, 256.2 Su - E(m - M) - 3, 249 SSE - E(w - - 1, 509.6 1. Find A. A and r. 2. Write the fitted linear regression model for ý, in terms of z, A, and A- For A and , use the values you obtained in problem 1. 3. Interpret the slope of the least squares line based on the context. 4. Find SST, SE and SSR. 5. Find R* and . 6. Complete a chart for ANOVA df MS pvalue Source Regression Error Total 7. Complete a chart for Parameter Estimates. t-value pvalue Parameter Intercept Slope Estimate S.e. 8. What is the residual e, for the observation (.) - (20.1,31.5)? 9. What is the conclusion for the test Ha : -0 vs Ho : +0 with a -…
- The average income in the state of California is a population parameter. True or False?calculate the z-score of the dataUse the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum=9, maximum=53, 7 classes. What is the class width?
