Complete the following ANOVA table (use 4 decimal places) Source Group Error Total df 2 12 14 SS 318.5333 (1) (2) MS (3) 19.0667 What is the critical value for F at alpha = 0.01? (use 2 decimal places) F 8.3531
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True or False: According to the results of this ANOVA table, Ho should be rejected.
by Bartleby Expert- Consider the data in the table in Ex 9.16. (photo attached) Does the data provide significant evidence at the 3.9% level, to indicate that the population mean time among schizophrenics exceeds the population mean time among normal individuals by more than 15.0?(zobs =3.612, z.039 =1.76 )A random sample of 85 eighth grade students' scores on a national mathematics assessment test has a mean score of 285. This test result prompts a state school administrator to declare that the mean score for thestate's eighth graders on this exam is more than 280. Assume that the population standard deviation is 38. At α=0.03, is there enough evidence to support the administrator's claim? Complete parts (a) through (e).Show that the estimates βˆ1 = 1.572 and βˆ2 = 1.357 used in the first experiment ofTable 3.1 are in fact the OLS estimators. note:table 3.1 is uploaded in jpg
- Use Table VII to find the required χ2-values. Illustrate your work graphically. Give two situations in which making an inference about a population standard deviation would be important.A random sample of 25 tires gave the average life as 38000 km and S.D. as 5000 km. Can it be concluded that the sample is drawn from a population with a mean life of 40000 km?A random sample of 85 eighth grade students' scores on a national mathematics assessment test has a mean score of 284. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 275. Assume that the population standard deviation is 30. At α=0.02, is there enough evidence to support the administrator's claim? Complete parts (a) through (e).
- Calculate the standard deviation and mean deviation from mean if the frequency function fix) has the form : (3+2x fix) ={ 18 Azd = for 2 51Ss4 %3D otherwiseA chemical company wishes to determine whether a new catalyst XA-100 changes the mean hourly yield of its chemical process and is different from the historical process mean of 750 pounds per hour. After 35 trials are conducted using the new catalyst, the following outputs were given: t = 6.943 at a = 0.01. If t* = 2.763, the decision is Fill in the blankWhat is the Discrete Variable Standard Deviation for the following numbers: x = 0 and P(X = x) = 0.56 x = 1 and P(X = x) = 0.15 x = 2 and P(X = x) = 0.11 x = 3 and P(X = x) = 0.13 x = 4 and P(X = x) = 0.05 Level of difficulty = 2 of 2 Please format to 4 decimal places. Answer:
- The Insurance Institute for Highway Saftey publishes data on the total damage suffered by compact automobiles in a series of controlled, low-speed collisions. A sample of the data in dollars, with brand names, removed, is 950,650,850,750 The interquartile range of the above data is?Suppose that the heart beat per minute (bpm) of adult males has a normal distribution with a mean of μ = 72 bpm and standard deviation of o=11 bpm. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or greater) ≤0.01 and a value is significantly low if P(x or less) ≤0.01. Find the pulse rates for males that separate significant pulse rates from those that are not significant. Using these criteria, is a male pulse rate of 90 beats per minute significantly high? Find the heart rate (in bpm) separating significant values from those that are not significant. A heart rate with a bpm more than and less than are not significant, and values outside that range are considered significant. (Round to one decimal place as needed.) CA survey on lamb farms was conducted and data were collected on the followingvariables from a random sample of 30 farmers. Y = average live weight of ewes (kg)X1 = area of grazing land (m2) X2 = proportion of farm area that cannot be cultivatedX3 = proportion of area closed for lambs before weaning