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HK

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You wish to examine the impact of two different types of music (pop music and jazz music) and pet food served (wet food and dry food) on how often cats glare at their owners.Which test is appropriate to use?

A) factorial ANOVA
B) t-test for dependent samples
C) t-test for independent samples
D) one-way ANOVA

On Jul 27, 2024


A
HK

Answered

When is the nominal level of measurement the correct level of measurement to use?

On Jul 26, 2024


When we measure a variable that has categories like female or male,we can use the nominal level of measurement.
HK

Answered

An experiment to determine the efficacy of using 95% ethanol or 20% bleach as a disinfectant in removing bacterial and fungal contamination when culturing plant tissues was repeated 15 times for each disinfectant. The plant tissue being cultured was sweet potato: Five cuttings per plant were placed on a petri dish for each disinfectant and stored at 25 C for 4 weeks. The observation reported was the number of uncontaminated cuttings after the 4-week storage. An experiment to determine the efficacy of using 95% ethanol or 20% bleach as a disinfectant in removing bacterial and fungal contamination when culturing plant tissues was repeated 15 times for each disinfectant. The plant tissue being cultured was sweet potato: Five cuttings per plant were placed on a petri dish for each disinfectant and stored at 25 C for 4 weeks. The observation reported was the number of uncontaminated cuttings after the 4-week storage.    a. Is it reasonable to assume that the underlying variances are equal? ______________ b. Are you willing to conclude that there is a significant difference in the mean numbers of uncontaminated eggplants for the two disinfectants tested? t = ______________ There ______________ evidence of a difference in the mean number of uncontaminated eggplants for the two disinfectants.
a. Is it reasonable to assume that the underlying variances are equal?
______________
b. Are you willing to conclude that there is a significant difference in the mean numbers of uncontaminated eggplants for the two disinfectants tested?
t = ______________
There ______________ evidence of a difference in the mean number of uncontaminated eggplants for the two disinfectants.

On Jun 27, 2024


No; -1.50; is
HK

Answered

A South African firm has contracted to sell a U.S. firm goods valued at 200,000 rand. The rand is valued at $10.4150. Compute the value of the shipment in U.S. dollars.​

On Jun 26, 2024


$2,083,000​
HK

Answered

A check register shows a balance of $383.75. The bank statement shows a cash balance of $285.82. The check register shows an outstanding deposit of $142.93 and two outstanding checks of $37.41 and $12.65. The bank statement shows a service charge of $7.00 and an interest deposit of $1.94. Compute the adjusted cash balance of the check register and the bank statement.

On May 27, 2024


$378.69
HK

Answered

Refer to the Day-Care Center scenario. Compute the book value at the end of the third year.​

On May 26, 2024


$20,352​