The phrase "a total of five tests" is correct and usable in written English.
It can be used when specifying the exact number of tests being referred to in a context, often in academic or technical writing.
Example: "The study included a total of five tests to evaluate the effectiveness of the new drug."
Alternatives: "a sum of five tests" or "five tests in total".
A total of five tests were done per one blood sample: one per blood plasma (TBARSpl) and four per erythrocytic suspension (TBARSer, CAT, SOD, and GPx).
In patients with discrepancies between the breath- and the s-glucose test at the first combined test, a total of five tests were available: Two sets of breath tests, two sets of s-glucose tests and one gene test.
Calculations demonstrated that a total of eight individuals were needed to test our hypothesis.
It offered five other suggestions, four of which were at least debatably helpful, and one of which was flat-out wrong.We have a total of six tests.
A total of twelve tests were carried out at the University of Sydney.
A total of thirty-two tests were performed during three seasons in four different highways located in the Minneapolis-St.
P-DWave performed well against known analytical solutions and dynamic and diffusive models in a total of seven tests.
A total of fourteen tests were performed on simply supported beams that were partially restrained against lateral torsional buckling.
A total of twenty-four tests were performed at three different temperature ranges (450 °C, 550 °C, and 700 °C) using the double cantilever test method.
A total of seventy-two tests were performed to investigate the effect of laboratory specimen size, difference in geotextile reinforcement, and repeatability of the test results.
A total of seventy tests were performed by seven users, who participated by introducing different trajectories and number of vehicles, achieving a success ratio of 100%.
